lee2009

water only gets to 73 degrees in the rads, hope it dont cause any problems, its been in there a week so far and no sign of melting or softning, runs at 12v john.

will keep an eye on it, only did it for ease and neatness, no way im chasing walls for 10+ alarm cables, and didint really want to run another length of conduit.
 
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and john, if that conduit had contained 240v cables, id never of ran an alarm cable in there, not sure of the real reason, but its a big no no to run alarm cable Parallel with mains, i know its nothing to do with safety, thinks its to do with possible interference??
 
The main reasons is because you could end up with 240VAC being piped down your alarm cables if the insulation in both cables were compromised, which is a very bad thing. From a BS7671 point of view, it'd be fine to run them together if they were both insulated to the same voltage. Of course on the alarm side of things, you'd then have a problem with induced AC...

Bad practice to be running any sort of cable with central heating pipes. I've seen plenty of cables damaged by them over the years. If there's no other way of positioning the keypad so that you can cable it discretely, I'd go with a short length of 16x8mm trunking alongside the CH trunking.
 
i wont run any more through the rad trunking, even though there is only a very very small chance of the hot pipe causing a problem.
 
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i wont run any more through the rad trunking, even though there is only a very very small chance of the hot pipe causing a problem.
Happens more that you think. Once the insulation starts to break down it's on;y a matter of time.
 

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