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Chrome switch cover needs earthing but not a fly lead
Lee Makepeace 12/11/2026 - 8.11 AM
I have a metal back box with a permanent lug could I earth the switch cover and the screws of the cover that go on the lugs act as a earthing to the backbox
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1 Answer
Howire Electrical Limited
Rating: 5 out of 5
Strictly speaking everything is earthed when installed, as the metal is joined by the screws. However it is best practice to install a fly lead as this is a tighter connection and will also provide earth when the box is open.
Answered12 November 2026
0