The capping is available in plastic or metal and also as a conduit. One advantage on building sites is the wires won't be damaged by a plasterers trowel. It helps if you need to fish a wire out of the wall though.
@Airhead started
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The capping is available in plastic or metal and also as a conduit. One advantage on building sites is the wires won't be damaged by a plasterers trowel. It helps if you need to fish a wire out of the wall though.