Does arc resistant equipment affect the level of PPE requirements on labels etc.?
William, I am not certain that your question can be adequately addressed with a simple yes or no answer but in a very general sense, yes. I base this answer on the assumption that you mean arc resistant equipment verses non arc resistant equipment.
A reduction in the incident energy that a worker standing in front of the equipment is exposed to will have some affect on the PPE and or labeling of the equipment as long as the reduction in energy is such that it falls within a lower PPE category.
However, keep in mind that there is no simple answers to complex issues. There are different rating types of arc resistant equipment. There are tasks, installation considerations, operating conditions, and maintenance conditions that will affect the ability of the equipment to perform as designed and ultimately affect the safety of the worker. Equipment that is by design "arc resistant" will be labeled, tested and certified "arc resistant" per ANSI C37.20.7.
It's been awhile since I read the ANSI standard but I don't remember anyplace where it states how much it reduces a persons exposure or from what energy level it will be effective at. Does C37.20.7 address these issues?
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