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No R1 on ring main?

Inspection, Testing and Certification of Electrical Installations This Section is STRICTLY for testing PROBLEMS which members have occured, misunderstood readings, Periodic Inspection Reporting, Mathematical Equations/Solutions, Part P and other legislation which require you to Inspect and Test.

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12-04-2008	#21 (permalink)
alan Junior Member Join Date: Jan 2008 Posts: 23	Re: No R1 on ring main? I understand it is a TT system. If the main earth cable is not buried it need only be 4mm If buried should be 16mm. Table 10c OSG.
alan Junior Member Join Date: Jan 2008 Posts: 23

12-04-2008	#22 (permalink)
Cirrus Guest Posts: n/a	Re: No R1 on ring main? 10mm standard
Cirrus Guest Posts: n/a

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