Do you know the facts about circuit protection, or have you just been relying on what you hear around the shop? As an electrical contractor, system designer, plant electrician, or electrical inspector ...

In some cases, the service overcurrent protection devices (OCPDs) are not readily accessible to occupant(s). The service equipment area may be, for example, fenced off. Or the OCPDs are locked or ...

Most AC-DC power supplies and DC-DC converters have internal current-limiting circuits to protect the power device, and to some degree its load. The majority of over-current-protections include an ...

POWER OVER ETHERNET (POE) enabled devices and their electronic components are designed for operation within specified current and voltage ratings. If these ratings are exceeded due to short-circuit or ...

For a PDF verion of this article, click here. Where resettable overcurrent protection is a requirement, PolySwitch polymeric positive temperature coefficient (PPTC) devices offer a highly effective ...