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In North America, this type of cable is designated as NM cable. NM means "nonmetallic", referring to the outer sheathing; the conductors are still metallic. NM was first listed and described in the NEC in 1926, but it was invented a few years earlier by the Rome Wire Company in 1922 in Rome, New York, and marketed under the trade name "Romex". [2]
Halex may refer to: The Halex process in chemistry; Halex, a brand of electrical fitting from the Scott Fetzer Company; Halex, a subsidiary of the British Xylonite ...
Usually, the lines are fixed by clamping them into single cable clamps made of plastic or metal. Another possibility is to use so called cord grips which consist of weaved wire strands that put a grip around the cables. [3] A more cable-friendly alternative is attaching the lines to special strain relief plates using common cable ties. In case ...
Most split cable entries consist of a split hard frame, made of plastic or sometimes stainless steel (e.g. utilised in food industry) and one or several split sealing grommets, usually made of elastomer. [2] The grommet matching the cable diameter is placed around the cable and fixed inside the cable entry frame.
A power cable is an electrical cable, an assembly of one or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of electrical power . Power cables may be installed as permanent wiring within buildings, buried in the ground, run overhead, or exposed.
Coaxial cable – used for radio frequency signals, for example in cable television distribution systems. Direct-buried cable; Flexible cables; Filled cable; Heliax cable; Non-metallic sheathed cable (or nonmetallic building wire, NM, NM-B) [6] Armored cable (or BX) [6] Multicore cable (consist of more than one wire and is covered by cable jacket)