Circuit Protective Conductor (CPC)

Acircuit protective conductor (CPC) connects exposed-conductive-parts* of equipment to themain earthing terminal.


*Conductive part of equipment,which can be touched and which is not normally live,but which can become live when basic insulation fails.

ProDesign error card Selectivity: Energy-Based, energy let-through of the protective device greater than upstream pre-arc energy
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Jarek Wityk

Selectivity

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