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Ross1

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Im carrying out a PIR, there is a 3 core (what appears to be solid aluminium armoured) cable supplying one of the single phase DB`s. the solid cores are almost triangular in shape, colours of cores are RYB. The csa looks anywhere between 16mm and 25mm/sq.

Any ideas on cable type and so I can find out the ccc.
 
Aluminium wire armoured cable
Steel wire armour is only used on multicore versions of the cable. A multicore cable, as the name suggests, is one where there are a number of different cores. When cable has only one core, aluminium wire armour (AWA) is used instead of steel wire. This is because the aluminium is non-magnetic. A magnetic field is produced by the current in a single core cable. This would induce an electric current in the steel wire, which could cause overheating.


Everydays a school day for me jeez
 
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