Common Electrical Questions

Air Conditioning Thermostat

Home Electric

You may have wondered about your electricity. It is a very complicated issue. In fact, when there is an electrical need or problem, most people call a licensed electrician in Doraville to take care of it without asking many questions. Here are a few of these questions and the answers that might help you in whatever electrical problem you are having without having to hire a licensed electrician.

What is a ground fault circuit interrupter?

A ground fault circuit interrupter or GFCI is a piece of equipment that will turn off a device when it detects abnormal current. This helps to ensure that individuals do not receive a severe electrical shock or injury. It works by constantly monitoring the flow of electricity into a circuit. If the electricity that is flowing out of the circuit changes by the smallest amount, the GFCI will shut off the current from flowing through the circuit. A circuit breaker will miss some of the changes in the flow of current. A GFCI works quickly to protect consumers from electrocution and severe shock.

When an appliance repeatedly blows a fuse or trips a circuit breaker, what should you do?

First, you should make sure all your appliances are in good working order. If so, then you should check the outlet, it could be that the outlet or wiring needs to be repaired. If the problem is because of the appliance, the appliance needs to be repaired or replaced and should definitely be unplugged when not in use.

What is the National Electrical Safety Code’ (NESC)?

“The National Electrical Safety Code (NESC) is a national safety standard for the installation and operation of electric transmission and distribution by electric utilities. In general it covers the lines and equipment not covered by the National Electric Code (NEC) which is used by builders, electrical contractors, and homeowners.”

What does your electrical service look like?

There is an electrical meter outside your home and power comes directly from the power line from the electrical company through that meter. It goes directly to the service panel. The Main circuit breaker is often called a double pole service disconnect and is what controls the live power from energizing the circuits in the electrical panel. It is easily recognizable as it has two thick black wires feeding it from the electrical meter and consists of two circuit breaker handles joined together. The main is used to power all the circuits on or off at one time.

What gauge wire should I use?

When it comes to the wire gauge you use, you will notice that the smaller the wire the hire the amperage it can handle. Different size wires can handle different amperages. The following should help you determine wire size.

There is Aluminum Wiring in my house, is it dangerous?

In North American residential construction entire houses were wired with aluminum wiring for a short time from the late 1960s to the late 1970s this was done because the price of copper was high at the time. . Wiring devices (outlets, switches, fans, etc.) at the time were not designed with the particular properties of aluminum wire in mind and there were problems with the properties of the wire itself. Older wiring devices not originally rated for aluminum wiring present a fire hazard. Revised manufacturing standards for wiring devices are required.

What is the difference between an alternator and a generator?

Both of these create electrical energy. A generator uses gasoline or other fuel to create energy. An alternator creates energy from mechanical energy.

Electricity is a very complicated thing. You may just take it for granted until there is a need or a problem. When this happens you will most likely call an electrician.

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