Which term describes the requirement for marking in a 4-wire, delta-connected system?

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Multiple Choice

Which term describes the requirement for marking in a 4-wire, delta-connected system?

Explanation:
Marking is about identifying what each conductor or busbar is for, so you know exactly what you’re connecting and how it should be treated. In a 4-wire delta-connected system there are multiple conductors that can look alike, including the neutral, hot phases, and, if present, a high-leg. Proper identification—color coding and labeling—prevents miswiring and ensures safety and code compliance. That’s why the requirement is described as identification of conductor or busbar. The other options refer to hardware or non-identification functions and don’t address labeling.

Marking is about identifying what each conductor or busbar is for, so you know exactly what you’re connecting and how it should be treated. In a 4-wire delta-connected system there are multiple conductors that can look alike, including the neutral, hot phases, and, if present, a high-leg. Proper identification—color coding and labeling—prevents miswiring and ensures safety and code compliance. That’s why the requirement is described as identification of conductor or busbar. The other options refer to hardware or non-identification functions and don’t address labeling.

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