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Electrical PPE Catagory requirements

Question asked by mr.kc.collins on Jun 19, 2018

how do I determine PPE catagory requirements if worker is in panel, one side of panel has  240v (or less,) and on other side of same panel is live 480, however no work is to be done to the 480v side, only on the 240v or less side? is it required CAT 2 because of breaking the plane with 480 although there is no work to be done with 480v( sometimes the 480 is all finger safe and not exposed). Or is the PPE catagory required  only 240? And what is Catagory zero? for low voltage as in 24v? My employer has a posting for PPe requir4ements from CAT zero to CAT 4?????