Axial Extractor fan with timer - 2 or 3 wires

potterton678 · 2026-10-11T18:10:12+0100

Evening
Looking to install an axial extractor in a vertical wall, next to the electric shower (that's Zone 1, I guess)
Fan can't be installed in the ceiling.

The light cable only has 2 wires in it (brown and blue iirc).

Does the extractor fan with the timer need more wires in the light cable or are 2 wires sufficient?

Would want the fan to operate independently (with a pull-cord switch inside the room to switch the fan on or off) of the light.

Your thoughts/experiences please.

PS _ Different question, why don't all electrical cables have 3 wires in domestic houses?

chivers67 · 2026-10-11T18:24:50+0100

You'll need a 3 core to supply a switched live and permanent live for run on. You could opt for an Extra low voltage / 12V for Zone1

diynot

If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

Select the supplier or trade you require, enter your location to begin your search.

Are you a trade or supplier? You can create your listing free at DIYnot Local

Axial Extractor fan with timer - 2 or 3 wires

potterton678

chivers67

DIYnot Local

Similar threads