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ELECTRICAL SAFETY DESIGN

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General Requirements - Disconnecting Means and Circuit Identification

Identification (as used in OSHA standards) means equipment is labeled to indicate its purpose. Required disconnecting means for motors and appliances shall give legible indication of its purpose. If the purpose of the circuit is obvious, no identification of the disconnect is required.

A disconnecting means is a switch used to disconnect the circuit conductors from the electric current source. Disconnect switches protect workers and equipment by enabling a circuit to be opened to stop the flow of electricity.

Each service, feeder, and branch circuit shall have its purpose legibly identified (unless clearly evident) at its disconnecting means or overcurrent device. Identification should be located at the circuit origination point. Click on the term below to see an example of proper identification.

Additional Information Identification Example

These markings shall be of sufficient durability to withstand weather, chemicals, heat, corrosion, or any other operating environment.

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