Thanks to you both, my cockatiels will are very grateful that they won't perish on those cold winter nights! :D
Now you've explained it, it makes perfect sense.
The supply is via an IP55 socket provided by a sparky who knew what he was doing so is fused and via an RCB etc
Cheers again...
:?: Hi all, my first post on here (though have dipped in and out for a couple of years for advice), so be gentle with me!
I'm a fairly competent DIYer having undertaken a good few major projects in my life, including a kitchen extension a few years back from rewiring to plumbing and...