• Installation Tips

    Photo 1. It is possible to drag an electrical arc from Phase B to Phase C (center to right terminals) when measuring voltage. Notice that the worker is pulling the black test lead toward him or herself before placing it on Phase C. Simply sliding the black test lead from the center to the right-hand terminal could establish a phase-to-phase arcing fault through the airspace between the terminals.
    Five practical tips to keep you at the top of the electrical trade
    April 7, 2021

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