Surprisingly perhaps, the IET Wiring Regulations (BS7671) don’t include a definition of earth leakage current, but there are two definitions that are related. So what’s to be done? Let’s start to answer this by looking at a few earth leakage basics. ![]() In short, it’s a typical case of “nuisance tripping”. And most contractors will know at once that it’s much more likely to be an RCD or RCBO that’s tripping rather than an ordinary MCB. Most electrical contractors have experienced that anguished phone call from a customer saying that they have a circuit breaker that keeps on tripping for no apparent reason. What’s going on and what can be done about it? Peter Wade of Megger has the answers. Sometimes, however, this protection can cause problems of its own. ![]() Thanks to changes in the IET Wiring Regulations over recent years, earth leakage protection is now part of almost every new low voltage electrical installation.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
June 2023
Categories |