Is there a likelihood that foreign objects and wildlife can access the rear of the accessory? This is a possibility, however even an IP4X requirement would not stop the onslaught of insects that may cause a problem in a very extreme case. If we look at larger wildlife, the general rule of thumb is that a mouse can squeeze through a hole the diameter of a standard pen, so that rules out any protection afforded from the IP2X requirement. MARTYN REES: New consumer unit required? Customer wasn’t sure if he needed any work doing on his mains end!!! Well, this one beggar’s belief. I’ll try and go through the issues as I see them. Existing codes updated to the new BS 7671:2018+A2:2022. Hundreds of new observations and codes added:

It enables the competent electrician to deal with installations (up to 100 A, 3-phase) providing essential information in a convenient, easy-to-use format. If the devices themselves were accessible to isolate and reset, there were no signs of mechanical damage, IP infringements, or thermal damage; I would see this as a C3. There is no potential threat to life in this scenario, however, there is room for improvement. This publication has been further updated to include two subsequent amendments to the IET Wiring Regulations as BS 7671:2018+A2:2022.Distribution Equipment including Cable Management (894) Apply Distribution Equipment including Cable Management filter General requirements - updated in line with the very latest amendment to BS 7671 (specifically within Section 722)

Codebreakers: Well, what can I say, there are modifications, and then there are “modifications”! The manufacturer may not allow this kind of modification to its boards, and we should stress that it shouldn’t be done. In this case, however, we have to look at the merits of the modification and the location. This dry lining type pattress box is being used in the absence of the correct barrier, which is most likely just a plastic shroud. As I said earlier, if the board is in this state before removal of the front cover, then the potential damage and misalignment could give access to live parts, which is a C1, especially if someone were to try and switch off or reset the circuit breaker.The 18th Edition is a major update to this title and contains extensive changes to many areas of BS 7671. Add to quote” – this option allows to you gather items together and ask us for a no obligation quote. We’ll do our best to improve our already competitive prices where possible.