Seasons
Networks:
Watch Providers:
JustWatch makes it easy to find out where you can legally watch your favorite movies & TV shows online. Visit JustWatch for more information.
S4:E26 The GFCI/RCD: A Simple but Life-Saving Protector
First Aired: August 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.
