When completing repairs on a high voltage circuit where portable grounding straps were used for increased operator safety and confidence, what is the proper procedure for disconnecting these grounding straps?

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Accepted Answer

Disconnect the phase connections to common first, then disconnect the common connection to hull ground.

Answer

Disconnect the common connection to hull ground first, then disconnect the phase connections to common.

Answer

The common to hull ground and the phase connections to common should all be disconnected simultaneously.

Answer

The common to hull ground connection and the phase connections to common can all be disconnected in any sequence.

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