Technology Connections

The GFCI/RCD: A Simple but Life-Saving Protector (2018x26)

Exibido em:: Ago 17, 2018

These devices are a common sight in homes and businesses around the US and around the world. But what are they for? Why do we need them? This video explores the life-saving potential of the GFCI (known alias: RCD) and explains how they work.