It's wires that connect to different electrical components, like a light bulb, a switch, and a battery. JAMES: Yeah, there are actually two types of circuits. We have series circuits and parallel ...

It's a huge disappointment to invest in LED bulbs, especially pricey smart bulbs, only to have them fail within a year or two ...

In this setup, each bulb is on its own circuit to the power source ... After the two parts are combined, each light is tested again for electric charge. Then the machine covers the metal piece ...

Some outlets are GFCI (Ground Fault Circuit ... a little electrical experience, but with the right safety precautions, it can ...