Question: The most suitable type of wiring system for 3-phase electrical energy underground between buildings will be... a) PVC steel wire armoured cable b) PVC conduit

The most suitable type of wiring system for 3-phase electrical energy underground between buildings will be... a) PVC steel wire armoured cable b) PVC conduit and PVC insulated cable c) steel trunking and PVC insulation cable d) steel conduit and PVC cable

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