When the word 'shall' appears in a NEC reference, it means that it ___ be done.

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Multiple Choice

When the word 'shall' appears in a NEC reference, it means that it ___ be done.

Explanation:
In NEC references, the word shall denotes a mandatory requirement. It means the action described must be performed to be in compliance with the code. This usage is there to ensure safety, reliability, and enforceable standards. For example, when a provision says the equipment shall be grounded, you are required to provide grounding. The other terms express different levels: should is a recommendation or best practice, may indicates permission or possibility, and could suggests a potential rather than a duty. So, shall is the cue that the task is non-negotiable and must be done.

In NEC references, the word shall denotes a mandatory requirement. It means the action described must be performed to be in compliance with the code. This usage is there to ensure safety, reliability, and enforceable standards. For example, when a provision says the equipment shall be grounded, you are required to provide grounding. The other terms express different levels: should is a recommendation or best practice, may indicates permission or possibility, and could suggests a potential rather than a duty. So, shall is the cue that the task is non-negotiable and must be done.

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