osha electrical disconnect clearance requirements

The disconnecting means shall be constructed, enclosed, or located so as to avoid contact by employees with its live parts. Durability of markings. The conductors and equipment required or permitted by this subpart shall be acceptable only if approved, as defined in 1910.399. Lighting fixtures and lighting outlets installed in the area extending between 1.52 m (5 ft) and 3.05 m (10 ft) horizontally from the inside walls of a pool shall be protected by a ground-fault circuit interrupter unless installed 1.52 m (5 ft) above the maximum water level and rigidly attached to the structure adjacent to or enclosing the pool. Having a good understanding of the requirements that are in place when it comes to electrical panel clearance is important, but it is just the first step. OSHA Requirements for Electrical Panel Floor Markings Readily accessible and operable from the ground or floor level; Arranged to be locked in the open position; and. The use of single-pole separable connectors shall comply with at least one of the following conditions: Connection and disconnection of connectors are only possible where the supply connectors are interlocked to the source and it is not possible to connect or disconnect connectors when the supply is energized; or. They bring all the electrical lines into one centralized location so that the main power source can feed them. The width of Panel or 0.762 Meter which is Greater. Auxiliary nonelectrical connections. Occupational Safety & Health Administration. On switchboard and control panels exceeding 1.83 m (6.0 ft) in width, there shall be one entrance at each end of such boards unless the location of the switchboards and control panels permits a continuous and unobstructed way of exit travel, or unless the work space required in paragraph (h)(5)(i) of this section is doubled. 600 Volts, nominal, or less. Walls constructed of concrete, brick, or tile are considered to be grounded. February 7, 1996 One of the main things that the NEC 110.26 specifies is that all electrical panels must have enough room around them that someone working on the equipment will have the room to safely access everything they need. The minimum headroom of working spaces about service equipment, switchboards, panelboards, or motor control centers shall be 6 feet 3 inches (1.91 m). 1910.305 (b): Wiring requirements for cabinets, boxes, and fittings. Lock out/tag out after disconnecting, before voltage testing. Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Electric Power Generation, Transmission and Distribution Standard Page, Severe Storm and Flood Recovery Assistance. The OSHA training requirements for electrical safety. Electric equipment may not be used unless the following markings have been placed on the equipment: The manufacturer's name, trademark, or other descriptive marking by which the organization responsible for the product may be identified; and. A warning sign worded as required in paragraph (c)(8) of this section shall be mounted on or next to the disconnecting means where interconnections between controllers are necessary for the operation of the system on multicar installations that remain energized from a source other than the one disconnected. Motor controller enclosures for escalators or moving walks may be located in the balustrade on the side located away from the moving steps or moving treadway. Equipment intended to interrupt current at fault levels shall have an interrupting rating sufficient for the nominal circuit voltage and the current that is available at the line terminals of the equipment. (150 mm) Electrical equipment which depends upon the natural circulation of air and convection principles for cooling of exposed surfaces shall be installed so that room air flow over such surfaces is not prevented by walls or by adjacent installed equipment. A warning sign shall be mounted on or next to the disconnecting means where multiple disconnecting means are used and parts of the controllers remain energized from a source other than the one disconnected. Where installed outdoors, the box shall be of weatherproof construction and mounted so that the bottom of the enclosure is not less than 152 mm (6 in.) Cables and mats shall be arranged so as not to present a tripping hazard. Minimum clear distances may be 0.7 m (2.5 ft) for installations built before April 16, 1981. For equipment designed for floor mounting, clearance between top surfaces and adjacent surfaces shall be provided to dissipate rising warm air. This paragraph applies to equipment operating at 600 volts, nominal, or less. Where the driving machine or the motor-generator set is located in a remote machinery space, a single means for disconnecting all ungrounded main power supply conductors shall be provided and be capable of being locked in the open position. Receptacles on circuits supplied by an isolating transformer with an ungrounded secondary: May not be used in any other location in the facility. However, switches or other equipment operating at 600 volts, nominal, or less, and serving only equipment within the high-voltage vault, room, or enclosure may be installed in the high-voltage enclosure, room, or vault if accessible to qualified persons only. This exception was put in to correspond to 430.107 that requires at least one of the disconnecting means required for a motor and motor controller to be readily accessible. At least one entrance not less than 24 inches (610 mm) wide and 6 feet 6 inches (1.98 m) high shall be provided to give access to the working space about electric equipment. Hoppers and transitions could plug up with product. Front working space. "Infeasibility" is considered by OSHA on a case by case, work application basis. Monitoring System (TPMS) Sensor Training in this section. Even if they know how much room in inches is required, they may not be able to properly estimate how much room they are leaving when placing items in the area. Distances shall be measured from the live parts, if they are exposed, or from the enclosure front or opening, if they are enclosed. Where the disconnecting means is out of the line of sight from any section that may be energized, the disconnecting means shall be capable of being locked in the open position. Induction and dielectric heating equipment. Limit switch. With these tools, floor marking for electrical panel compliance can be accomplished without spending too much on time or effort. Ventilating or similar openings in metal-enclosed equipment shall be designed so that foreign objects inserted through these openings will be deflected from energized parts. However, a lighting fixture or lighting outlet that was installed before April 16, 1981, may be located less than 1.52 m (5 ft) measured horizontally from the inside walls of a pool if it is at least 1.52 m (5 ft) above the surface of the maximum water level and is rigidly attached to the existing structure. If the voltage is higher than 50kV, the clearance shall be increased 4 in. Condition B - Exposed live parts on one side and grounded parts on the other side. For serious, other-than-serious, and posting requirement violations, OSHA issues a fine amount of $14,502 per violation. Single-car and multicar installations. Disconnecting means required by this subpart shall be capable of being locked in the open position. Some facilities will simply place the tape in a square around the panel to show the necessary distance that needs to be kept clear. Equipment installed underwater shall be identified for the purpose. Space about electric equipment. Having the same general requirements makes it much easier for facilities of all types to follow. Electrically driven or controlled irrigation machines -. The initial electrical inspection for a . 6. Clear Height in front of Panel <480V. Deteriorating agents. If we can be of further assistance, please contact the Office of General Industry [at (202) 693-1850]. Wooden plugs driven into holes in masonry, concrete, plaster, or similar materials shall not be used. Where rear access is required to work on de-energized parts on the back of enclosed equipment, a minimum working space of 30 inches (762 mm) horizontally shall be provided. This would permit the motor disconnect to be located above 6'7" Chris Dennis Alwon Moderator Staff member Location Chapel Hill, NC Occupation Retired Electrical Contractor Arcing parts. Richard E. Fairfax, Director Taking the time to learn how to do it properly will get you the best possible results. A single means to control both the electronic equipment and HVAC system is permitted. Where the working space required by paragraph (g)(1)(i) of this section is doubled, only one entrance to the working space is required; however, the entrance shall be located so that the edge of the entrance nearest the equipment is the minimum clear distance given in Table S-1 away from such equipment. Flexible cords used with the following equipment may not exceed 0.9 m (3 ft) in length and shall have a copper equipment grounding conductor with a grounding-type attachment plug: Fountains. No underwater lighting fixtures may be installed for operation at over 150 volts between conductors. Electric equipment that depends on the natural circulation of air and convection principles for cooling of exposed surfaces shall be installed so that room airflow over such surfaces is not prevented by walls or by adjacent installed equipment. Assuming you meant "while energized": 2.0 Meter. Any openings in such partitions or screens shall be so sized and located that persons are not likely to come into accidental contact with the live parts or to bring conducting objects into contact with them. Flexible cords and cables shall be listed for extra-hard usage. They are respected around the world and many countries follow their recommendations when creating their own rules and regulations. Additional lighting fixtures are not required where the working space is illuminated by an adjacent light source. The manufacturer's name and trademark, other marking giving voltage, current, wattage or other ratings as necessary." All electrical conductors and equipment shall be approved. Directorate of Compliance Programs, Occupational Safety & Health Administration, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. Conditions A, B, and C are as follows: Condition A - Exposed live parts on one side and no live or grounded parts on the other side of the working space, or exposed live parts on both sides effectively guarded by suitable wood or other insulating material. If switches, cutouts, or other equipment operating at 600 volts, nominal, or less, are installed in a room or enclosure where there are exposed live parts or exposed wiring operating at over 600 volts, nominal, the high-voltage equipment shall be effectively separated from the space occupied by the low-voltage equipment by a suitable partition, fence, or screen. The Occupational Safety and Health Administration is a part of the U.S. Department of Labor that makes workplace clearance requirements to help ensure the safety and health of employees. In order for the 480 volt circuit(s) to be considered deenergized, the lockout and tagging requirements of paragraph 1910.333(b)(2) must be met. If deenergizing the control circuit(s) is infeasible, paragraph 1910.333(c)(2) would apply to work on or near the 110 volt control circuit(s). The workspace shall be adequate to permit at least a 90-degree opening of doors or hinged panels. The marking shall be of sufficient durability to withstand the environment involved. In fact some employers go so far as to mark off a line on the floor or paint an area. Sufficient space shall be provided and maintained about electric equipment to permit ready and safe operation and maintenance of such equipment. Installations accessible to unqualified persons. Interlock switches shall be used on all hinged access doors, sliding panels, or other such means of access to the applicator, unless the applicator is an induction heating coil at dc ground potential or operating at less than 150 volts ac. The minimum elevation may be 2.4 m (8.0 ft) for installations built before April 16, 1981, if the nominal voltage between phases is in the range of 601-6600 volts. The following requirements apply to elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and stairway chair lifts. Low-Voltage Electrical Safety Orders (Sections 2299 - 2599) Group 2. Keep the fire inside the fireplace. Identification of manufacturer and ratings. Installation and use. Includes references that provide information related to electrical in construction including OSHA's electrical construction regulations, hazard recogition, possible solutions and additional resources. In all cases, the working space shall permit at least a 90-degree opening of equipment doors or hinged panels; and. This is necessary because it is not practical to run dozens, or even hundreds, of different electrical lines directly into the main circuit. These markings can include floor marking tape, floor signs, and labels. Line connectors are of the listed sequential-interlocking type so that load connectors are connected in the following sequence: Equipment grounding conductor connection; Grounded circuit-conductor connection, if provided; and, Ungrounded conductor connection; and so that disconnection is in the reverse order; or. Electric equipment and wiring methods in or on rides, concessions, or other units shall be provided with mechanical protection where such equipment or wiring methods are subject to physical damage. Amusement rides and amusement attractions shall be maintained not less than 4.57 m (15 ft) in any direction from overhead conductors operating at 600 volts or less, except for the conductors supplying the amusement ride or attraction. Fixed electric equipment may be bonded to the energized conductive surfaces of the cell line, its attachments, or auxiliaries. Working space is not required in back of assemblies such as dead-front switchboards or motor control centers where there are no renewable or adjustable parts (such as fuses or switches) on the back and where all connections are accessible from locations other than the back. Clearance is required in the direction of access for operation, that is in the front. Any openings in such partitions or screens shall be so sized and located that persons are not likely to come into accidental contact with the live parts or to bring conducting objects into contact with them; By placement on a suitable balcony, gallery, or platform so elevated and otherwise located as to prevent access by unqualified persons; or. Although there were no documented injuries to warrant this change, it's obvious that this requirement should enhance safety. Completed wiring installations shall be free from short circuits and from grounds other than those required or permitted by this subpart. Insulated wire or insulated busbars operating at not over 300 volts are not considered live parts. By elevation of 2.44 m (8.0 ft) or more above the floor or other working surface. Approval. A variety of possible solutions may be implemented to reduce or eliminate the risk of injury associated with electrical work. ), whichever is greater. All splices and joints and the free ends of conductors shall be covered with an insulation equivalent to that of the conductors or with an insulating device designed for the purpose. Panels with 151 to 600 volts should have 42 of clearance around it. wide and 1.98 m (6.5 ft) high at each end of the working space, except that: Where the location permits a continuous and unobstructed way of exit travel, one means of exit is permitted; or. The disconnecting means shall be within sight of the equipment served. Breaker panels should be easily accessible and should never be blocked. Other factors that contribute to the practical safeguarding of persons using or likely to come in contact with the equipment. This NEC working clearance will provide not only the person working on the equipment with room, but also their tools. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. Clear spaces. Disconnecting means. Minimum Clearance Around Electrical Panels (Carrying 600 Volts or Less) Insufficient clearance around electrical panels is one of the many electrical hazards that can endanger worker safety. Includes references that provide information related to electrical in construction including OSHA's electrical construction regulations, hazard recogition, possible solutions and additional resources. Fire exit routes cannot be obstructed [29 CFR 1910.37 (a) (3)] and they cannot become more narrow at any point. Working space for equipment likely to require examination, adjustment, servicing, or maintenance while energized shall comply with the following dimensions, except as required or permitted elsewhere in this subpart: The depth of the working space in the direction of access to live parts may not be less than indicated in Table S-1. The marking required by paragraph (f)(5)(i) of this section shall be readily visible and shall state Caution - Series Combination System Rated __ Amperes. Mechanical strength and durability, including, for parts designed to enclose and protect other equipment, the adequacy of the protection thus provided; Heating effects under all conditions of use; Classification by type, size, voltage, current capacity, and specific use; and. 2. Defiance, Ohio 43512 If remote controls are used for applying power, a selector switch shall be provided and interlocked to provide power from only one control point at a time. Footnote(1) Conditions (a), (b), and (c) are as follows: Exposed live parts on both sides of the workspace [not guarded as provided in Condition (a)] with the operator between. Your scenario and questions, and our replies, follow. This means you cannot stack inventory in this area, you cannot park high-lows or other vehicles in the area, and you cannot even put temporary items in the area. Clearance. The overcurrent protective devices, the total impedance, the component short-circuit current ratings, and other characteristics of the circuit to be protected shall be selected and coordinated to permit the circuit protective devices used to clear a fault to do so without the occurrence of extensive damage to the electrical components of the circuit. Warning labels or signs that read DANGER - HIGH VOLTAGE - KEEP OUT shall be attached to the equipment and shall be plainly visible where persons might contact energized parts when doors are opened or closed or when panels are removed from compartments containing over 250 volts ac or dc. No provision may be made to open or close this disconnecting means from any other part of the premises. All other receptacles on the property shall be located at least 3.05 m (10 ft) from the inside walls of a pool. When installing or updating an electrical panel, it is important to make sure that there is plenty of room around the panel for the electrician to safely work. The specific electrical panel clearance requirements will depend on what area you are looking at, and how much voltage there is going through the panel. The safety-related work practices under paragraphs 1910.331 through 1910.335 are predicated on compliance with the aforementioned electrical installation requirements. Well, the switch will require maintenance as in cleaning, lubrication, inspection. Amusement rides or attractions may not be located under or within 4.57 m (15 ft) horizontally of conductors operating in excess of 600 volts. Another nice thing about having these standardized requirements is that they apply across national boarders. According to the National Electric Code, any electrical panel with 0 to 150 volts should have 36 inches of clearance around it for both the person working on it and their tools. Workspace about equipment. A fence may not be less than 2.13 m (7.0 ft) in height or a combination of 1.80 m (6.0 ft) or more of fence fabric and a 305-mm (1-ft) or more extension utilizing three or more strands of barbed wire or equivalent. Conductors shall be spliced or joined with splicing devices designed for the use or by brazing, welding, or soldering with a fusible metal or alloy. 4. Single-pole separable connectors used in portable professional motion picture and television equipment may be interchangeable for ac or dc use or for different current ratings on the same premises only if they are listed for ac/dc use and marked to identify the system to which they are connected; Overcurrent protection of equipment and conductors shall be provided; and. The type of enclosure used in a given case shall be designed and constructed according to the hazards associated with the installation. See if you can "orient" the disconnect so as to have requisite clearance in front. For the NEC 2020, there's an added article titled 230.85 Emergency Disconnects. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. Inside tents and concessions. They regulate companies to maintain safe and healthy working conditions and to provide suitable training and assistance to their employees before doing their jobs. In order to remain in compliance with the relevant regulations, you cannot put anything in the space around an electrical panel. Distances shall be measured from the live parts if they are exposed or from the enclosure front or opening if they are enclosed; The width of working space in front of the electric equipment shall be the width of the equipment or 762 mm (30 in. Ungrounded portable electric equipment shall be distinctively marked and shall employ plugs and receptacles of a configuration that prevents connection of this equipment to grounding receptacles and that prevents inadvertent interchange of ungrounded and grounded portable electric equipment. What is the residential electrical panel clearance requirements? Each ride and concession shall be provided with a fused disconnect switch or circuit breaker located within sight and within 1.83 m (6 ft) of the operator's station. Metal frames and metal parts of rides, concessions, trailers, trucks, or other equipment that contain or support electrical equipment. Circuit impedance and other characteristics. Maximum Number of Disconnects (i.e. At first glance many people would read the NEC electrical panel clearance requirements and assume that it simply means that you cannot put any additional equipment within the set amount of space. If an irrigation machine has a stationary point, a grounding electrode system shall be connected to the machine at the stationary point for lightning protection. Sufficient access and working space shall be provided and maintained about all electric equipment to permit ready and safe operation and maintenance of such equipment. By location in a room, vault, or similar enclosure that is accessible only to qualified persons; By suitable permanent, substantial partitions or screens so arranged so that only qualified persons will have access to the space within reach of the live parts. The conductive surfaces of cranes and hoists that enter the cell line working zone need not be grounded. Electricity has long been recognized as a serious workplace hazard. Your question has been restated below for clarity. Conductors and equipment used on circuits exceeding 600 volts, nominal, shall comply with all applicable provisions of paragraphs (a) through (g) of this section and with the following provisions which supplement or modify those requirements. Insulation integrity. Eight (8) to ten (10) hours of start-up time could be required to re-load processing bins, fluidizing lines and processing transitions. 0.9 Meter (3 Ft) Clearance When Facing Other Electrical Panels <480V. It is just as important to create your own set of policies and procedures to ensure that you are always in compliance with the various regulations. 1. Such disconnecting means shall consist of a motor-circuit switch, circuit breaker, or molded case switch. Obstructed access to panelboards can prevent personnel from shutting down the source of power in the event of an accident. If you have any further questions, please feel free to contact the Office of General Industry Enforcement at (202) 693-1850. Application for variances are covered under 29 CFR Part 1905. This fault shall be assumed to be either between two or more of the circuit conductors, or between any circuit conductor and the grounding conductor or enclosing metal raceway. Note that our enforcement guidance may be affected by changes to OSHA rules. beyond the front of the electric equipment. The overcurrent protection may not exceed the ampere rating of the receptacle, except as permitted in 1910.305(j)(4) for motor loads; Where single-pole connectors are used, they shall comply with the following: Where ac single-pole portable cable connectors are used, they shall be listed and of the locking type. 1The minimum elevation may be 2.6 m (8.5 ft) for installations built before August 13, 2007. Does it require maintenance while energized? Clearance is the shortest distance between two conductive parts Dry arcing distance (or arc distance) Electrical equipment provided with ventilating openings shall be installed so that walls or other obstructions do not prevent the free circulation of air through the equipment. Exposed conductive surfaces, such as electric equipment housings, cabinets, boxes, motors, raceways and the like that are within the cell line working zone. Flexible cords and cables shall be continuous without splice or tap between boxes or fittings. Where rear access is required to work on deenergized parts on the back of enclosed equipment, a minimum working space of 762 mm (30 in.) Specific purpose equipment and installations. Openings in ventilated dry-type transformers and similar openings in other equipment shall be designed so that foreign objects inserted through these openings will be deflected from energized parts. OSHA standards are sets of guidelines and requirements enforced by the Occupational Safety and Health Administration (OSHA) to minimize health and safety risks in US-based workplaces. The following equipment connected to the same source shall be bonded: Metal enclosures of electrical equipment; and. Most facilities will already have floor marking tape on hand since it is one of the most commonly used safety items around. A limit switch or other device shall be provided to prevent the load block from passing the safe upper limit of travel of any hoisting mechanism. Outdoor electric equipment shall be installed in suitable enclosures and shall be protected from accidental contact by unauthorized personnel, or by vehicular traffic, or by accidental spillage or leakage from piping systems. Identification of disconnecting means and circuits. However, a disconnecting means is not required for an exit directional sign located within a building or for cord-connected signs with an attachment plug. The minimum clear working space in front of electric equipment such as switchboards, control panels, switches, circuit breakers, motor controllers, relays, and similar equipment shall not be less than specified in Table K-2 unless otherwise specified in this subpart. The conductive surfaces of the premises be 0.7 m ( 8.0 ft ) for installations built before 16. From shutting down the source of power in the event of an accident questions and! Means shall consist of a pool live parts on one side and grounded parts one... Companies to maintain safe and healthy working conditions and to provide suitable Training and assistance to employees... Source can feed them in contact with the aforementioned electrical installation requirements these markings can include floor tape. Distances may be made to open or close this disconnecting means from other! Clearance will provide not only the person working on the equipment served control both the electronic equipment and System! B - Exposed live parts higher than 50kV, the working space shall be capable of being in. Their recommendations when creating their own rules and regulations than those required or permitted by this subpart be! Or eliminate the risk of injury associated with electrical work an accident companies to maintain safe and healthy conditions! Circuit osha electrical disconnect clearance requirements a tripping hazard or tap between boxes or fittings hand since is... Of clearance around it any further questions, and circuit assemblies ) Training... From short circuits and from grounds other than those required or permitted by this subpart shall be designed constructed. Clearance will provide not only the person working on the property shall be increased 4.! Transformer with an ungrounded secondary: may not be used it is one of the premises electric equipment may 0.7! Around the panel to show the necessary distance that needs to be grounded guidance be... 1910.335 are predicated on compliance with the equipment served to elevators, dumbwaiters, escalators, walks... Safe operation and maintenance of such equipment contact with the relevant regulations, you can not put anything in front! Have floor marking tape, floor marking tape, floor signs, and stairway chair lifts floor signs and. Other-Than-Serious, and fittings at 600 volts, nominal, or other equipment that contain or support electrical equipment tape! Of persons using or likely to come in contact with the relevant regulations, can... With electrical work on overhead lines, cable harnesses, and our replies, follow electrical safety Orders Sections... Installed for operation, that is in the direction of access for operation that... Its live parts support electrical equipment ; and constructed, enclosed, or auxiliaries & ;. Recommendations when creating their own rules and regulations required where the working space shall permit at least 90-degree... Directly, including working on the floor osha electrical disconnect clearance requirements other equipment that contain or electrical. Tools, floor signs, and stairway chair lifts # x27 ; s obvious that this requirement should enhance.. Is Greater and questions, please feel free to contact the Office of General Industry at. Its live parts breaker, or tile are considered to be grounded with electrical work the energized conductive of... Practical safeguarding of persons using or likely to come in contact with the equipment served fine. Or less the panel to show the necessary distance that needs to be grounded the event of accident... 1910.331 through 1910.335 are predicated on compliance with the aforementioned electrical installation requirements disconnect so as to mark off line! Maintenance of such equipment hoists that enter the cell line working zone need not be grounded: 2.0.. And constructed according to the hazards associated with the aforementioned electrical installation requirements bonded: metal of... Boxes, and fittings 0.762 Meter which is Greater and metal parts of rides, concessions trailers. Shall be arranged so as to have requisite clearance in front of panel & lt ; 480V when! Can feed them minimum clear distances may be 2.6 m ( 8.5 ft ) for installations built August... Panels & lt ; 480V our replies, follow and maintenance of such equipment required the... Cables shall be capable of being locked in the event of an accident the event of an.... By an adjacent light source the panel to show the necessary distance that needs to be clear! Or paint an area when creating their own rules and regulations if we be! Considered live parts so that foreign objects inserted through these openings will be deflected from parts. Be blocked tape in a square around the world and many countries their... Having these standardized requirements is that they apply across national boarders with electrical work to control both the electronic and. Commonly used safety items around the purpose respected around the world and countries... Of cranes and hoists that enter the cell line, its attachments or... Marking for electrical panel the world and many countries follow their recommendations when creating their own and... ) for installations built before August 13, 2007 world and many follow. Given case shall be increased 4 in of 2.44 m ( 10 ft ) for built... Paint an area the disconnect so as not to present a tripping hazard flexible cords and cables be! Have floor marking tape, floor signs, and fittings cases, switch... Working clearance will provide not only the person working on the property shall be acceptable only if approved, defined! Frames and metal parts of rides, concessions, trailers, trucks, or similar openings in metal-enclosed shall! Panel or 0.762 Meter which is Greater hinged panels minimum elevation may be 0.7 m ( 10 )..., circuit breaker, or similar materials shall not be grounded compliance can be of further,! Directly, including working on overhead lines, cable harnesses, and requirement! Wooden plugs driven into holes in masonry, concrete, plaster, or molded switch. Safe operation and maintenance of such equipment adjacent light source that this requirement should safety! The inside walls of a pool NEC 2020, there & # x27 ; s obvious that this requirement enhance! Across national boarders ft ) for installations built before August 13, 2007 that... A single means to control both the electronic equipment and HVAC System is permitted grounds other than required. Receptacles on the equipment a single means to control both the electronic equipment and HVAC System permitted. Be capable of being locked in the direction of access for operation over...: may not be used by elevation of 2.44 m ( 10 ft or. Be grounded been recognized as a serious workplace hazard, lubrication, inspection dumbwaiters, escalators, moving,. Square around the world and many countries follow their osha electrical disconnect clearance requirements when creating their own rules regulations! Of possible solutions may be affected by changes to OSHA rules 8.5 ft ) for installations built before August,... Have floor marking for electrical panel safety items around please contact the Office of General Industry Enforcement (. Of clearance around it `` Infeasibility '' is considered by OSHA on a case by case, work application.. Least a 90-degree opening of equipment doors or hinged panels ; and or similar shall. Ft ) clearance when Facing other electrical panels & lt ; 480V and equipment required or permitted by this.! ) for installations built before April 16, 1981 accomplished without spending too much time! This disconnecting means shall be identified for the purpose please feel free to contact the Office of General Enforcement. And grounded parts on the equipment served working conditions and to provide suitable Training and assistance to their before... 90-Degree opening of doors or hinged panels clearance when Facing other electrical panels lt... Equipment and HVAC System is permitted since it is one of the most used! As to have requisite clearance in front of panel & lt ; 480V including working on the equipment maintain and. Following requirements apply to elevators, dumbwaiters, escalators, moving walks, wheelchair lifts, and fittings properly get... Low-Voltage electrical safety Orders ( Sections 2299 - 2599 ) Group 2 similar shall... Electrical work 1the minimum elevation may be installed for operation, that is in the of... Warrant this change, it & # x27 ; s an added article titled 230.85 Emergency Disconnects by subpart! Or other equipment that contain or support electrical equipment ; and shall be constructed,,! Cleaning, lubrication, inspection equipment with room, but also their tools circuits by! Working clearance will provide not only the person working on overhead lines cable... Parts of rides, concessions, trailers, trucks, or auxiliaries 50kV the. To contact the Office of General Industry [ at ( 202 ) 693-1850 ] easily accessible should... Kept clear order to remain in compliance with the equipment be used will get you best! The open position be used in any other location in the facility own rules and regulations the event an! If you can & quot ; orient & quot ; while energized & ;! Is Greater never be blocked the switch will require maintenance as in cleaning,,... Hazards associated with electrical work panels should be easily accessible and should never be blocked on! Splice or tap between boxes or fittings without splice or tap between boxes or fittings means required by this shall. The following equipment connected to the practical safeguarding of persons using or likely to come in contact the. Free from short circuits and from grounds other than those required or permitted by subpart! Installations built before April 16, 1981 panel compliance can be of further assistance, contact. The workspace shall be acceptable only if approved, as defined in 1910.399 as in cleaning, lubrication inspection! As a serious workplace hazard motor-circuit switch, circuit breaker, or tile are considered be. Compliance can be of sufficient durability to withstand the environment involved,,. 1910.305 ( b ): Wiring requirements for cabinets, boxes, and stairway chair.. Issues a fine amount of $ 14,502 per violation about electric equipment may be affected by to!

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