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Electrical Wiring

Electrical Wiring at a Glance


Electrical wiring comes in many different voltage ratings, colors, and uses. It may be used for feeder wiring, low-voltage wiring, branch circuitry throughout your home, or eve grounding. The size and style of the wire that you're using dictates its usefulness on the project that you're trying to accomplish. Understanding electrical wiring is essential to a successful and safe installation in your home. Here are some great electrical wiring tips at a glance.

1. Top Electrical Wiring Tips

Whether you're a first-timer or an old pro who just needs a few refresher tips, having a hands-on lesson will make the job that much easier. Sometimes, having the right tools for the job is just as important as knowing how to do the task. These electrical wiring tips will make your electrical projects a snap!

2. What Size Electrical Wire Do I Need?

In order to install any electrical wire installation, the proper wire size for the application is needed. But how do you know what size wire to use? Wire is sized by the American Wire Gauge (AWG) system. Your installation of conductors will depend on a few factors. The gauge of the wire, wire capacity, and what the wire will feed should all be considered.

3. Electrical Wire Color Coding

Electrical wires have markings stamped or printed on the outside sheath of the cable. These markings tell what type and size of wire that you have. But looking deeper, the color of the wires inside of the sheath, like in type NM cable, will reveal that different color wires serve different purposes.

4. Common Types of Electrical Wiring Used In Homes

Your home is wired with different types of wire. Each has its specific use to accommodate the load and conditions it is exposed to. Let’s examine what each type is and how it is used in the home’s electrical system.

5. Determining Proper Electrical Wire Size For Underground Circuit Cable Length

When considering the appropriate wire size for a circuit, don't forget to take the circuit length into consideration. Electrical wire, no matter what material it is made out of, has a certain resistance to it. With an increase in cable length, the resistance causes a voltage drop in the circuit.

6. Is My Old House Wiring Safe?

The wiring in your home is the highway of power that feeds everything electrical in the home. Over time, like everything else, it begins to break down and may need replacing at some point. But how is one to know?

Older knob-and-tube and Romex wiring has a way of becoming brittle. The insulation drys out and starts to crumble, causing the inner wire to become exposed. The cloth insulation around the wire deteriorates with age and eventually becomes unsafe. Let's consider the condition of your home's wiring.

7. National Electrical Code Outdoor Electrical Wiring Tips

The National Electrical Code has some very specific rules and regulations about underground wiring methods and points of asttachment. This is a look at the highlights of the outdoor sections of the code.

8. Wiring...Inside and Out

The do-it-yourselfer sometimes runs into electrical mishaps around the home. Sometimes this requires Either way, it often requires that you deal with the electrical wiring. These tutorials will help you through the process with ease.

9. Electrical Wire Insulation And Its Labeling

Electrical wiring to be run in conduit comes in individual strands, encased in insulation to protect the wire and insulate it from other wires and the conduit. Wires come in ither solid or stranded, depending on the wire size. Bare conductors are available for ground wires only. The insulation is made to take on some rather extreme conditions. Heat-, oil-, gasoline- and water-resistant coatings are all available to help your electrical wire survive.

10. What do the Letters on Electrical Wire Mean?

Understanding electrical wire lettering will help you decide which type wire is best for the installation that you are using. There are many different types of insulation used for residential use. Some of the most commonly used are THHN, THWN, THW and XHHN.

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