File Name: electrical wires and cables .zip
Electrical cable and wires are considered as a same thing. In fact they are quite different. A wire is made of a single electrical conductor while a cable is a group or bundle of multiple wires inside a common sheathing. Both of them are used for carrying electrical current. Nowadays due to the advancement in technology, almost everything is powered by electricity. Be it indoor or outdoor, we need supply of smooth, uninterrupted electricity which is achieved by using suitable type of wires and cables.
Tables of AWG wire sizes. The table below shows various data including both the resistance of the various wire gauges and the allowable current ampacity based on plastic insulation. The diameter information in the table applies to solid wires. Stranded wires are calculated by calculating the equivalent cross sectional copper area. Turns of wire is an upper limit for wire with no insulation. A circular mil is the area of a wire one mil in diameter. An older abbreviation for one thousand circular mils is MCM.
More often than not, the terms wire and cable are used to describe the same thing, but they are actually quite different. Wire is a single electrical conductor, whereas a cable is a group of wires swathed in sheathing. The term cable originally referred to a nautical line of multiple ropes used to anchor ships, and in an electrical context, cables like wires are used to carry electrical currents. Whether indoors or outdoors, proper wire and cable installation is of paramount importance - ensuring a smooth electricity supply, as well as passing electrical inspections. Each wire and cable needs to be installed carefully, from the fuse box to the outlets, fixtures and appliances. Understanding Electrical Wire Image Source: joelynchelectrical. Some factors that will affect your choice of electrical wiring include color, label information and applications.
Copper has been used in electrical wiring since the invention of the electromagnet and the telegraph in the s. Copper is the electrical conductor in many categories of electrical wiring. Electrical wiring in buildings is the most important market for the copper industry. Electrical conductivity is a measure of how well a material transports an electric charge. This is an essential property in electrical wiring systems.
Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes are specified according to the circuit operating voltage and electric current capability, with further restrictions on the environmental conditions, such as ambient temperature range, moisture levels, and exposure to sunlight and chemicals. Associated circuit protection, control and distribution devices within a building's wiring system are subject to voltage, current and functional specification.
These wires are either made of solid or stranded. Most wires are round although square and rectangular forms are also used in specific applications. These wires are manufactured with or without insulation depending upon the application.
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our web site and CD ROMs are the property of Standard Wire & Cable Co. Your use of Type I, Class A Cable, Special Purpose, Electrical, Low Tension.Reply
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