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Do-It-Yourself (DIY) Question & Answer Forum
Main isolator switch - where does it go?
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<blockquote data-quote="springcrocus" data-source="post: 25367" data-attributes="member: 935"><p>I have EDF coming along in a couple of weeks to upgrade my fuse to 100A (and, hopefully, convert the head to TNC-S). I want to take the opportunity to fit a DP 100A isolator in the tails while the fuse is out.</p><p></p><p>Present arrangement is tails from head to meter, then to Henley's (no idea why, two tails in, two tails out), then to front-end RCD and finally to CU.</p><p></p><p>Reason for the switch is in case they can convert to a TNC-S system and I can then dump the front-end RCD which currently acts as my isolator. If I stay TT, I will have to change my RCD for a 100mA time-delay type (</p></blockquote><p></p>
[QUOTE="springcrocus, post: 25367, member: 935"] I have EDF coming along in a couple of weeks to upgrade my fuse to 100A (and, hopefully, convert the head to TNC-S). I want to take the opportunity to fit a DP 100A isolator in the tails while the fuse is out. Present arrangement is tails from head to meter, then to Henley's (no idea why, two tails in, two tails out), then to front-end RCD and finally to CU. Reason for the switch is in case they can convert to a TNC-S system and I can then dump the front-end RCD which currently acts as my isolator. If I stay TT, I will have to change my RCD for a 100mA time-delay type ( [/QUOTE]
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Main isolator switch - where does it go?
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