types of electrical plugs copyright No Further a Mystery
In some designs, polarised plugs can not be mated with non-polarised sockets. In NEMA 1 plugs, such as, the neutral blade is a bit broader compared to the warm blade, so it can only be inserted A technique. Wiring techniques where by both circuit conductors have an important likely with respect to earth do not reap the benefits of polarised plugs.Â