What is an electric wire?
An electric wire is a single electrical conductor. It is typically made of aluminum or copper and can be insulated or bare. Electric wires are also known as "wires" or "conductors."
Electric wires are used to transfer electricity from one place to another. There are many different types of wires that you may encounter when working with electricity. These include telephone wire, power cable, lamp cord, coaxial cable, speaker wire, and computer network cable.
If you are planning on doing any electrical work on your home or business, then you should know how to identify an electric wire. This will help prevent accidents from occurring during installation or service calls by allowing you to quickly distinguish between different types of wiring in your home or office building.
In addition to knowing how each type of wire differs from one another, it's also important that you know what color each type of electric conductor should be used for certain applications such as lighting fixtures and appliances in order for them to operate safely without causing damage to anything else around them!
How to Identify Wires and Cables？
There are a few different ways to identify your wires and cables. The most common way is to look for the letters printed on the jacket of the wire or cable.
Each jacket will have information printed on it to help you choose the correct product for your job. A letter code provides the attributes of the wire, along with material, gauge, and voltage rating.
A common system used by the National Electrical Code is THHN, XHHW, THW, etc…
THHN is the most commonly used type of wire in conduit and cable trays for services, feeders, and branch circuits in commercial or industrial applications. Below is some common lettering for residential wiring:
T: Thermoplastic insulation
H: Heat resistance
HH: High heat resistance (up to 194 degrees Fahrenheit)
W: Suitable for wet locations
Electrical Wire Color Coding
The color coding of electrical wires is an industry-standard that helps electricians and DIYers to identify the purpose of a wire. It's important to remember that not all wires are hot, even if they're colored black or red. All wires can carry current, but some may have been connected differently from the industry standard.
Black: Hotwire for switches or outlets
Red: Hotwire for switch legs and connecting to hardwired smoke detectors
Blue and Yellow: Hot wires pulled through conduit; blue is often used for three- or four-way switch applications, and yellow is for switch legs to control fans, lights, etc.
White: Neutral (can be hot if marked with black or red to indicate it's no longer a neutral)
Green and Bare Copper: Only for grounding purposes
what is the red wire in electrical？
When trying to understand your home’s electrical system, you may encounter a tangle of colored wires. Here’s what those colors mean.
Red WiresRed wires are usually used as secondary hot wires. Red wires are also hot and should be marked to avoid the dangers of electrocution. Red wires are commonly used when installing ceiling fans, where the light switch may be.
Green WiresGreen insulated wires are often used for grounding. Ground screws on electrical devices are often painted green, too. Never use a green wire for any purpose other than for grounding, as this may pose a serious threat of electrocution for you or a professional working on your home’s electrical system.
When it comes to wiring your home or office, it's important to choose the right size wire for the job.
The proper wire size is critical to any electrical wire installation. The gauge of a wire relates to the wire's current-carrying capacity, or how much amperage the wire can safely handle. When choosing the right wire, you must consider the gauge of the wire, the wire capacity, and what the wire will be used for.
Wires that are not properly matched to the amperage of the circuits they serve can create a notable risk of short circuits and fire.
where to buy electrical wire？
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Rather than letting it collect dust in your warehouse or on your workbench, why not put it to use? Sell us your electrical surplus and get cash on the spot.
The decision to sell your old, broken, or out-of-date electrical wire and copper Wire can be a big help if you’re looking for some extra cash, and International Recovery is always ready to pay cash on the spot before we even leave your site. By selling the old, broken, or out-of-date electrical wire and copper Wire you no longer need, you will have funds to use for new projects or internal initiatives at your company.