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Advice · 11 July 2026
Adding outdoor power: what is allowed and what is not
An extension lead run out a window is not a temporary solution. It is a hazard.
Outdoor sockets need an RCD, the right IP rating and a run that is protected properly along its whole length.
What we get called to fix is almost always the same thing: a lead out a window, taped at the join, sitting in wet grass.
A proper outdoor circuit is not an expensive job and it is done once.