Basic about Wiring: The wire and cable placement at your home center can be a pretty confusing task. In this article, you’ll learn how to identify different electrical cable types and their use, through this article you’ll be able to cut through the confusion, get exactly what you need and ensure that your wiring is safe. Even if you have years of wiring experience, there are always a few things you may not know. Wires come in different but the larger the number, the smaller the wire such as 14 gauge is thinner than gauge. The most common are 14-gauge and 12-gauge. Colors of Wire - Wire Color Coding The colors you’re most likely to find in your home black or red, white, green. BLACK = it’s called hot type wire, generally its use for light fixture or appliance. There are other colors for hot wires, but they’re much less common WHITE = It’s a neutral type wires, usually its use to carry the current back to the panel, completing the circuit. GREEN= It’s called ground type wire, the ground wire provides a path for the fault current to return to the panel, opening the breaker or blowing the fuse, cutting off the flow of electricity. DIY electrical wiring diagrams: diagram which shows the location of the breaker box and the path of the wires to each outlet. Metal- Clad Cable: Metal-Clad Cable is common in unfinished areas where the cable would otherwise be exposed and subject to physical damage. It’s also sometimes used inside walls. Stranded Wire: Stranded wire is more flexible than solid. If the situation requires pushing wires through conduit, you’ll want to use solid wire. Uncoil Cable: Pulling plastic-sheathed cable through holes in the framing is a lot easier if you straighten the cable out first. If you simply pull the cable from the center of the coil it will be easier to uncoil from a ring. Test Wires before Touching: When you’ve done a lot of wiring, it’s easy to get complacent about whether the power is off. But don’t. Use a noncontact voltage detector to check every wire in the wire box or area in which you’re working. Always check the tester on a wire. Otherwise it can be really a dangerous task for you. Here are some Advantages and Disadvantages of Concealed Conduit Wiring System Advantages: • It is a safe wiring system • No risk of shock • No risk of wear and tear, fire or damaged cable insulation • Quite reliable Disadvantages: • Expensive as compared to surface conduit wiring • Changing the location of switches or appliances is difficult • Installation is complex • Hard to find defects in the wiring When the wiring is not done properly or isn’t maintained well, it may lead to dangerous situations such as electrical fires. Therefore, it is important that you take a lot of care while installing electrical wires and cables. Drill Wire Holes: Before drilling any holes, make sure you know what is on the other side of the wall/floor to avoid drilling through the wires.
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