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Power cords enable all the devices we rely upon daily basis, as it plays a massive role in our lives. It's important to have a few good quality power cords on hand to keep your devices running smoothly. Here, we'll take a look at surge protectors, extension cords, and all types of line cord switch - all of which can be used to help you get the most out of your devices. The most common type of outlet you'll find in both domestic and commercial settings is the 3-pronged outlet. This outlet features three holes - one for the hot wire, one for the neutral wire, and one for the ground wire. Power cords that are designed to work with this type of outlet will typically have a three-pronged plug on one end.
Whether you're talking about a monitor power cable or general power cord for PC, there are some commonalities and features many of the best connection cables have in common. The following is a review of the most noteworthy. Terrell Croft and Wilford Summers (ed), American Electricans' Handbook, Eleventh Edition, McGraw Hill, New York (1987) ISBN 0-07-013932-6, sections 2-13 through 2-84Cables for direct burial or for exposed installations may also include metal armor in the form of wires spiraled around the cable, or a corrugated tape wrapped around it. The armor may be made of steel or aluminum, and although connected to earth ground is not intended to carry current during normal operation. Electrical power cables are sometimes installed in raceways, including electrical conduit and cable trays, which may contain one or more conductors. When it is intended to be used inside a building, nonmetallic sheathed building cable (NM-B) consists of two or more wire conductors (plus a grounding conductor) enclosed inside a thermoplastic insulation sheath that is heat-resistant. It has advantages over armored building cable because it is lighter, easier to handle, and its sheathing is easier to work with. [8] While power cords and extension cords may appear to be similar, they actually serve two very different purposes. Power cords are designed specifically for transferring electricity, while extension cords are intended to extend the reach of an existing power source. Modern two or three-wire+ground PVC-insulated cable (e.g., NM-B), produced by such brands as Romex® [ citation needed] Now that you know a little bit more about power cords, it's time to talk about safety. Power cords can be dangerous if they're not used properly, so it's important to be aware of some basic safety tips. Aluminum wire was used in the 1960s and 1970s as a cheap replacement for copper and is still used today, but this is now considered unsafe, without proper installation, due to corrosion, softness and creeping of connection. [5]
Donald G. Fink and H. Wayne Beaty, Standard Handbook for Electrical Engineers, Eleventh Edition, McGraw-Hill, New York, 1978, ISBN 0-07-020974-X pg. 18-85 Power cords exist for one primary reason - to transfer power. They relay energy from point A to point B by way of an electrical circuit. This is made possible by a few key components that are found within the power cord itself. Mass-impregnated paper-insulated medium voltage cables were commercially practical by 1895. During World War II several varieties of synthetic rubber and polyethylene insulation were applied to cables. [3] To drain off stray voltage, a metallic shield will be placed over the "semicon." This shield is intended to "make safe" the cable by pulling the voltage on the outside of the insulation down to zero (or at least under the OSHA limit of 50 volts). This metallic shield can consist of a thin copper tape, concentric drain wires, flat straps, lead sheath, or other designs. The metallic shields of a cable are connected to earth ground at the ends of the cable, and possibly locations along the length if voltage rise during faults would be dangerous. Multi-point grounding is the most common way to ground the cable's shield. Some special applications require shield breaks to limit circulating currents during the normal operations of the circuit. Circuits with shield breaks could be single or multi point grounded. Special engineering situations may require cross bonding. A hybrid cable can include conductors for control signals or may also include optical fibers for data.Dan Clark ÆON/Ether Headphone Cable — 6.3mm/3.5mm/Balanced 4-pin XLR and 4.4mm Pentaconn — Custom Colours & Connectors — Made in the UK Typical residential and office construction in North America has gone through several technologies: Modern power cables come in a variety of sizes, materials, and types, each particularly adapted to its uses. [6] Large single insulated conductors are also sometimes called power cables in the industry. [7] Power cords are also available in a variety of different materials, including plastic, rubber, and metal. The material you choose should be based on your specific needs. For example, rubber power cords are a good choice for use in damp or wet areas.
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