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NMEA 2000, abbreviated to NMEA2k or N2K and standardized as IEC 61162-3, is a plug-and-play communications standard used for connecting marine sensors and display units within ships and boats. Communication runs at 250 kilobits-per-second and allows any sensor to talk to any display unit or other device compatible with NMEA 2000 protocols.
Wire sized 1 AWG is referred to as "one gauge" or "No. 1" wire; similarly, thinner sizes are pronounced "x gauge" or "No. x" wire, where x is the positive-integer AWG number. Consecutive AWG wire sizes thicker than No. 1 wire are designated by the number of zeros: No. 0, often written 1/0 and referred to as "one aught" wire
The standard includes preferred current ratings and wire gauges for both International (deemed Series I) and North American (deemed Series II) applications. Series I preferred current ratings (in amps) are: 16, 32, 63, 125, 250, 400, 630 and 800, with wire gauges specified as mm 2 .
Subsea Cables UK - An organisation of submarine cable owners, operators and suppliers aimed at promoting marine safety and protecting cable installations on the UK continental shelf; The International Cable Protection Committee; Subsea Cables UK article on Submarine Power Cables; Export cables from Offshore Wind farms to Offshore substations
CCA was also used in electrical wiring for buildings. [2] The copper/aluminium construction was adopted to avoid some of the problems with aluminium wire yet retain most of the cost advantage. Its low copper content makes it unattractive to copper thieves. CCA is also seen in counterfeit unshielded twisted pair networking cables.
Each notch is stamped with a number, and the wire or sheet, which just fits a given notch, is stated to be of, say, No. 10, 11, 12, etc., of the wire gauge. The circular forms of wire gauge measurement devices are the most popular, and are generally 3 + 3 ⁄ 4 inches (95 mm) in diameter, with thirty-six notches; many have the decimal ...
Between 1906 and 1916, Heck expanded the capability of wire-drag systems from a relatively limited area to sweeps covering channels 2 to 3 nautical miles (3.7 to 5.6 km; 2.3 to 3.5 mi) in width. [15] The wire-drag technique was a major contribution to hydrographic surveying during much of the rest of the 20th century.
AMP connector. In 1941, Aircraft and Marine Products (AMP) was founded with electrical connections lacking solder for quick and removable wire connection used for aircraft and ships. After the war time boom, the company had to adapt to the post-war economy, and in 1956, the name of the company was changed to AMP Incorporated when it incorporated.