Metal trunking questions

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lilman

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I've got an existing installation where metal trunking is used as the cpc throughout:

(1) How do I work out the csa for my schedule of test results?

(2) I take it the value from above is what goes on the schedule in the box marked 'circuit conductors csa'?

(3) What value goes in the box 'end to end' for cpc on a ring final circuit with above arrangements?

(4) I presume R2 tests are as per usual at each accessory?

In fact any useful info on metal trunking would be greatly appreciated. Cheers all.

 
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