Upgrading loft shower fan - any wiring issues?

[SYS49152]

I'm having a similar problem to some others on this forum re condensation / pooling in my loft ducting from the shower.

I have a run of about 5m total from shower ceiling inlet to vent outlet including an initial rise of about 0.5m for the ducting to get over a roof beam. My current fan is rated at 20W but may be struggling to move the air this distance. I had considered upgrading to a Vents TT 100T fan rated 33W but was a little uncertain if the wiring would come into play. However 33W doesn't really seem like a lot of power... Just wondering what your thoughts are.

The current fan & run-on timer are powered from a nearby fused switch in the loft.

 

[Mikefromlondon]

It is not going to be an issue at all what so ever, you could effectively wire up a lot more than that, even a 1.5m T&E can take 5 amps easily which would equate to roughly 1000watts, of course all depending if the wire is running in a conduit, or running in along with other wires that can heat up, or simply buried in plaster, but absolutely nothing for you to worry for loads under 500watts.

 

[SYS49152]

Thanks very much for your help.