Grommets or similar devices shall not be used as strain relief. Lighting Adequate lighting shall be provided so as to permit easy visual inspection. This may require the use of temporary portable lighting. This is necessary so that equipment can be left in a safe condition before workers evacuate.
Flashlights are satisfactory.
The use of flammable or toxic material in the proximity of electrical equipment shall be kept to a minimum. When components with such fluids are used, a catch basin or other approved method should be used to contain the fluid in the event of a leak. Access to Classes 3, III, and IV circuits shall be either via screw-on panels, each containing no less than four screws or bolts, by interlocked doors, or by locked enclosure doors. Specific NEMA-approved enclosures may also be appropriate. The frame or chassis of an enclosure shall be connected to a good electrical ground with a conductor capable of handling any potential fault current.