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Do-It-Yourself (DIY) Question & Answer Forum
Help with circuit breaker please
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 3197" data-attributes="member: 250"><p>Big gulp! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /> :O</p><p></p><p>Indeed the missing blank.. the whole cover dont seem to fit to good!</p><p></p><p>If someone has left the installation with a cover in this condition,</p><p></p><p>I would also have doubts about if correct cables sizes have been used?</p><p></p><p>As this is a 32A MCB poping Not an RCD.. serious alarm bells should be ringing!</p><p></p><p>Tred cautiously..</p><p></p><p>Are any exposed conductors or lose connections providing a short circuit path somewhere?</p><p></p><p>Any overheated connections in the back of a socket where insulation has started melting...</p><p></p><p>e.g.</p><p></p><p>power on circuit</p><p></p><p>heats up.. insulation gets soft.. trips MCB..</p><p></p><p>cools down.. thin insulation coat re-applies itself to conductor..</p><p></p><p>then the cycle can re-start!</p><p></p><p>Ditto.. photo with cover removed... but switch off main switch Before removing cover!!! :| </p><p></p><p>I couldn't see an previous &amp; next inspection date sticker either???? ?:| </p><p></p><p>Rented property?</p><p></p><p>surley a PIR should have been done?</p><p></p><p>to eliminate problems like this?</p><p></p><p>I think you are going to need some proper tests done on the circuit..</p><p></p><p>Insulation Resistance Is a MUST for starters! :| </p><p></p><p>Take care M8.</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 3197, member: 250"] Big gulp! :o :O Indeed the missing blank.. the whole cover dont seem to fit to good! If someone has left the installation with a cover in this condition, I would also have doubts about if correct cables sizes have been used? As this is a 32A MCB poping Not an RCD.. serious alarm bells should be ringing! Tred cautiously.. Are any exposed conductors or lose connections providing a short circuit path somewhere? Any overheated connections in the back of a socket where insulation has started melting... e.g. power on circuit heats up.. insulation gets soft.. trips MCB.. cools down.. thin insulation coat re-applies itself to conductor.. then the cycle can re-start! Ditto.. photo with cover removed... but switch off main switch Before removing cover!!! :| I couldn't see an previous & next inspection date sticker either???? ?:| Rented property? surley a PIR should have been done? to eliminate problems like this? I think you are going to need some proper tests done on the circuit.. Insulation Resistance Is a MUST for starters! :| Take care M8. [/QUOTE]
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Help with circuit breaker please
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