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Terminating SWA at plastic Comsumer Unit
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<blockquote data-quote="Evans Electric" data-source="post: 49341" data-attributes="member: 1408"><p>There may be a mix-up here . A <strong>split </strong>concentric cable has a single inner core (Live) The concentric cores are copper , half of them were insulated in black PVC the other half insulated in green. No need for a gland. AFAIK we were allowed to use them.</p><p></p><p>A concentric cable ,as used by the distributors, has all the concentric wires uninsulated, they use it for PME and merely split it at the cut-out. You can't use it on installations.</p><p></p><p>I have worked on installations which where TNC throughout the project. This was done using single core bare pyro (MICC) with earth tail pots. Its done to save money I believe, this was a huge project, but as I remember, Home Office approval is required.</p><p></p><p>To connect a socket , centre core was live, the earth tail looped , continuous, to the back box ,the neutral and the earth.</p><p></p><p>The metal dist. bds. had no neutral bar, just an earth bar bolted to the case.</p></blockquote><p></p>
[QUOTE="Evans Electric, post: 49341, member: 1408"] There may be a mix-up here . A [B]split [/B]concentric cable has a single inner core (Live) The concentric cores are copper , half of them were insulated in black PVC the other half insulated in green. No need for a gland. AFAIK we were allowed to use them. A concentric cable ,as used by the distributors, has all the concentric wires uninsulated, they use it for PME and merely split it at the cut-out. You can't use it on installations. I have worked on installations which where TNC throughout the project. This was done using single core bare pyro (MICC) with earth tail pots. Its done to save money I believe, this was a huge project, but as I remember, Home Office approval is required. To connect a socket , centre core was live, the earth tail looped , continuous, to the back box ,the neutral and the earth. The metal dist. bds. had no neutral bar, just an earth bar bolted to the case. [/QUOTE]
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Terminating SWA at plastic Comsumer Unit
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