In this video, Mark Donovan of HomeAdditionPlus.com,
explains the safety precautions that should be employed when performing
home electrical wiring, including turning power off at the main circuit
panel and the use of electrical circuit testers.
Mark shows how to
use a high voltage neon circuit tester and a digital multimeter. Both can test for
high voltage on an electrical outlet, switch or fixture.
The
digital multimeter can also be used for checking connectivity in a circuit
and for measuring current draw in a circuit. Measuring connectivity is
extremely useful when debugging an electrical circuit, such as figuring
out what romex cable end in an electrical box is associated with another romex
cable end in another electrical box.
