Are your overload protection devices really up to the job?

摘要

Every user wants to be able to fit and forget protection devices in electrical installations. And that is often what happens. The protection is ignored until a fault occurs, and then it has to work flawlessly even under extreme conditions.rnIt is, however, important to be sure that a device that may have been fitted years, if not decades, earlier will be up to the job. This will depend on the type of protection, and the conditions to which it has been subjected since it was installed.