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Do-It-Yourself (DIY) Question & Answer Forum
Burried <50mm
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 13958" data-attributes="member: 250"><p>One other side issue of this thread.....</p><p></p><p>IMHO</p><p></p><p>the Boiler/heating controls aren't actually part of the fixed wiring of an installtion... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> </p><p></p><p>e.g.</p><p></p><p>If doing a PIR...</p><p></p><p>you would only test as far as the fused spur (or socket) supplying the boiler...</p><p></p><p>you don't do any Ins res or r1/r2 readings along the heating control cables!</p><p></p><p>They would normally be protected by a 3amp fuse at the boiler supply..</p><p></p><p>which should pop rather sharpish if the cables were cut/shorted etc..?? <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 13958, member: 250"] One other side issue of this thread..... IMHO the Boiler/heating controls aren't actually part of the fixed wiring of an installtion... ;) e.g. If doing a PIR... you would only test as far as the fused spur (or socket) supplying the boiler... you don't do any Ins res or r1/r2 readings along the heating control cables! They would normally be protected by a 3amp fuse at the boiler supply.. which should pop rather sharpish if the cables were cut/shorted etc..?? :) [/QUOTE]
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