Wires runs through joists

On Sat, 12 Jan 2008 11:23:59 +0000 someone who may be Andy Burns wrote this:-

Indeed. However, if a cable carries a low load compared to its rated capacity it may be disregarded in grouping calculations. Lighting and similar cables may often be disregarded in grouping calculations, though people shouldn't assume that but instead work out if they can be disregarded or not.

I did. In response to the OP. Who didn't mention ethernet. You did. I was just being polite. However, if that's the way you want it...;-)

Err, many ain't just plain DC signalling volts these days. They can use multiplexed data.

Yes. Even with star quad.

Then I'm surprised you don't apparently believe in routine precautions. ;-)

In article , Dave Plowman (News) scribeth thus

Well Dave we always see I-2-I do we not;)

Yep of some volts peak to peak with far better EMC suppression that ever before..

Ropey old dimmer circuitry dontcha tink>,,,

Well suits over engineers isn't it now;!..

I can access it if I lift the carpet and remove the floorboards ;)