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Do-It-Yourself (DIY) Question & Answer Forum
Adding a double pole switch
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<blockquote data-quote="Doc Hudson" data-source="post: 465436" data-attributes="member: 1607"><p>The regs do not actually say that all CU's should be non combustible. but they do say that before undertaking any alterations temporary of permanent, that the rating and condition of the existing supply, earthing, bonding etc. must all be verified as adequate for any additional loading to the installation. And that the alterations must be designed installed and tested to meet essential disconnection times, so as to not endanger people, property or livestock in the event of a fault. This work should then be documented on an electrical certificate and probably also notified to LABC for building regs compliance. Adding a significant load such as a car charger would in my opinion need a formal site assessment by a competent person with appropriate test equipment to verify exactly what can or can't be done. It not just a simple mater of can switch 'X' be fitted in or out of box 'Y'. So it is difficult to give any direct answers, without being on site, to your particular question. Some things can be guided over internet forums, others are best dealt with in person where all relevant factors can be properly assessed.</p><p></p><p>Doc H.</p></blockquote><p></p>
[QUOTE="Doc Hudson, post: 465436, member: 1607"] The regs do not actually say that all CU's should be non combustible. but they do say that before undertaking any alterations temporary of permanent, that the rating and condition of the existing supply, earthing, bonding etc. must all be verified as adequate for any additional loading to the installation. And that the alterations must be designed installed and tested to meet essential disconnection times, so as to not endanger people, property or livestock in the event of a fault. This work should then be documented on an electrical certificate and probably also notified to LABC for building regs compliance. Adding a significant load such as a car charger would in my opinion need a formal site assessment by a competent person with appropriate test equipment to verify exactly what can or can't be done. It not just a simple mater of can switch 'X' be fitted in or out of box 'Y'. So it is difficult to give any direct answers, without being on site, to your particular question. Some things can be guided over internet forums, others are best dealt with in person where all relevant factors can be properly assessed. Doc H. [/QUOTE]
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Adding a double pole switch
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