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Frequently Asked Questions

Q1. Is PPE required when working on 120-volt circuits? NFPA 70E ® 130.4(F)(1) states the qualified worker’s hands must be insulated or the energized parts must be guarded before they can enter the restricted approach boundary. The restricted approach distance to 120...
Is PPE required when working on 120-volt circuits?

Is PPE required when working on 120-volt circuits?

One of the more common tasks for an industrial electrician is to troubleshoot energized terminal points in 120-volt control panels. When machines stop running this is usually the first place we turn to determine the problem. Although the equipment in these panels is...