In South Africa, by law, a registered electrician is responsible for the wiring of any new installation, including the Distribution Board. The job can be done more effectively and safely by a professional with the right skills and equipment. Some basic techniques are described that can be used to trace the wiring faults using only basic tools.ĬAUTION : Do not try this yourself at home! With hindsight, my trial-and-error approach takes too long. The purpose and operation of Earth Leakage Protection is described in the context of a typical home Distribution Board (DB). The objective of this article is to reassure others, who are experiencing similar issues, that these problems can be fixed. I was relieved to be able to fix these cable faults without rewiring the house! The experts convinced me that, in most cases, these nuisance tripping problems can be traced to wiring faults.Įventually, with patience, perseverance, and a bit of good luck, I was able to identify the cable faults that were causing the problem. I consulted the online resources listed below. outside lights, appliances, etc., without any success. I looked for earth leakage faults in all the obvious places, e.g. It made the problem worse, as the new ELCB was more sensitive than the old one. Often, it was difficult to reset the ELCB after the trip.Ī few years ago, I replaced the original Distribution Board (DB) with a more modern version. For many years, since we moved into our home, the Earth Leakage Circuit Breaker (ELCB) would trip for no apparent reason.
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December 2022
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