Conditions a b and c are as follows.
Osha electrical panel side clearance.
Minimum clear distances may be 0 7 m 2 5 ft for installations built before april 16 1981.
Are you protecting yourself from electric shock and burns.
The clearance requirements also meet all government safety standards such as those set by the occupational safety and health administration osha.
110 26 of the national electrical code nec.
You re not if you fail to comply with the following three clearance requirements in sec.
The clearance is 36 in front and 30 side to side but that side to side clearance does not have to be centered on the panel as long as both edges are accessible.
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.
Osha standard 1910 303 g 1 states.
Sufficient access and working space shall be provided and maintained about all electric equipment to permit ready and safe operation and.
Condition a exposed live parts on one side and no live or grounded parts on the other side of.
Overhead clearance electrical wires running to the 480 volt electrical panel must be a minimum of 12 feet above the ground if the panel is located outside.
Notes to table s 2.
According to the osha standard 29 cfr 1910 303 g companies are required to provide 3 feet of clearance around electrical services and breaker panels with between 120 and 250 volts.
1 at least a 3 ft clearance in front of all electrical equipment.
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.
Clearance around an indoor electrical panel nec 110 26 clearance for conductor entering in panel nes 408 5 clearance between bare metal busbar in panel nes 408 5 clearance of outdoor electrical panel to fence wall nes 110 31 working space around indoor panel circuit board nes 110 34 clearance around an outdoor electrical panel nes.
Graphically originally from mike holt.
2 a 30 in wide working space in front of equipment operating at 600v or less.
To ensure that an electrical panel can be accessed at all times during inspection maintenance or emergency osha has determined that the working space in front of the equipment must be at least 30 inches wide or the width of the equipment.
Before implementing any kind of marking strategy employers must understand the osha standard related to electrical panel clearance.
1 minimum depth of clear working space in front of electric equipment with a nominal voltage to ground above 25 000 volts may be the same as that for 25 000 volts under conditions a b and c for installations built before april 16 1981.
In addition to osha standards electrical panels fall under national electrical code nec.
Space about electric equipment.
The working width around the panel must be at least 30 inches.
