Frequently Asked Questions
What is an arc fault circuit interrupter (AFCI)?
An AFCI is a type of circuit breaker that is designed to protect against electrical fires caused by arcing faults. Read more..
What is Ohm’s Law used for?
Ohm’s law is used to calculate the current in a circuit.
For example, if you know the voltage and resistance of a circuit, you can use Ohm’s law to calculate the current. Read more..
What is direct current?
Direct current (DC) is an electric current that flows in one direction only. DC is the kind of current produced by batteries, fuel cells, and solar panels. Read more..
What is an alternator?
An alternator is a device that creates alternating current by transforming mechanical energy into electrical energy. Read more..