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For example, aircraft cables are available in 1.2 mm (3 ⁄ 64 in) diameter while most wire ropes begin at a 6.4 mm (1 ⁄ 4 in) diameter. [2] Static wire ropes are used to support structures such as suspension bridges or as guy wires to support towers. An aerial tramway relies on wire rope to support and move cargo overhead.
Also, the size of the aluminum wire needs to be larger compared to copper wire used for the same circuit due to the increased resistance of the aluminum alloys. For example, a 15 A branch circuit supplying standard lighting fixtures can be installed with either #14 AWG copper building wire or #12 AWG aluminum building wire according to the NEC ...
In both those instances the white wire should be identified as being hot, usually with black tape inside junction boxes. The neutral wire is identified by gray or white insulated wire, perhaps using stripes or markings. With lamp cord wire the ribbed wire is the neutral, and the smooth wire is the hot. NEC 2008 400.22(f) allows surface marking ...
Beacon Roofing Supply, Inc. is an American publicly traded company which sells residential and non-residential roofing products, as well as related building products in North America. As of December 31, 2023, the company has 533 locations throughout all 50 states in the U.S. and six Canadian provinces , and over 8,000 employees. [ 4 ]
Special treatments to the materials that add cost, such as mercerisation or labor-intensive hand-painting of colors, can influence a manufacturer's desired length per unit as well. Knitters and crocheters rewind the hanks into balls or centre-pull skeins prior to use, in order to prevent the yarn from becoming tangled.
In 1974 it became known as Bridon; Bridon was the name of one of their brands of wire rope. In 1976 the company was turning over £243 million. In 1978 the company was registered on the Stock Exchange.