Separation of cable and pipe
I need to pass a mains cable through/over a joist. There is already a
notch carrying a pair of 22mm central heating pipes. There's physically room for the cable to go through without touching the pipes, but it would be rather close to them. Is there a minimum distance between T+E cable and copper heating pipes? Cheers, Pete |
Separation of cable and pipe
"Pete Verdon" d wrote in message ... I need to pass a mains cable through/over a joist. There is already a notch carrying a pair of 22mm central heating pipes. There's physically room for the cable to go through without touching the pipes, but it would be rather close to them. Is there a minimum distance between T+E cable and copper heating pipes? I would hope so, pvc cable is rated at about 70C and the pipe could exceed that. That would imply a de-rating of about 100% for the load on the cable. I would suggest a few inches are required as long as there is somewhere for the heat leaking from the pipe to go. I also suggest you lag the pipe while you are there to reduce heat loss. |
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