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Cable joins?

Phil Meadway on July 10, 2009 | 777 Views | 1 Comment

Hi All

I am not any sort of expert in electrical cabling, and was wondering of somebody could clarify something for me.

I installed a 60m armoured 4 core 100 amp cable to supply power to my apartment in an old manor house. This was installed as a single run of cable (and checked and verified by a qualified electrician I hasten to add!)

My neighbour now wants to extend their flat into the roof space, where my cable runs, which will potentially mean cutting the cable and re-joining it.

 My question is, will the join in the cable result in a loss of efficiency, and will this be significant? (OK, that's two questions) 

Thanks

 

Phil

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1 Comment

#1 by Ben Dee on July 14, 2009 at 2:27 a.m.

Hey Phil,

The answer to your first question is yes you would loose efficiency if you joined the cable, with regards to the second question is it would definitely be significant, but how significant is really hard to say their are a number of contributing factors such as where in the loop the join needs to be put, how the join is done, how well it is done etc etc. Hopefully my answer helps in some way, but realistically a join in any kind of cable is going to effect efficiency, how much though is always going to be situational.

Ben from the domestic wind turbines hub.

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