ELECTRICAL SAFETY DESIGN

General Requirements - Over 600 Volts, Nominal

Electrical equipment operating above 600 volts, nominal creates extremely dangerous working environments. Therefore, it is important to heed the following requirements.

The entrances to all buildings, rooms, or enclosures containing exposed live parts or exposed conductors operating at over 600 volts, nominal shall be under the observation of a qualified person or locked at all times.

Electrical installations in the following areas where access is controlled by lock and key or other approved means are considered sufficient to prevent unqualified access:

Area surrounded by a wall, screen, or fence 8 feet or higher unless other features provide a degree of isolation equivalent to an 8 foot fence

Vault

Room

Closet.

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