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Posted on May, 18 2019 by Michael Burnstagged with :
Household wiring color code - homes in north america are supplied with a 120 240v single phase electrical service the in ing 240v power is split onto two legs each leg can provide 120v hot to neutral and the two legs together will supply 240v which is used to supply heavy loads such as air conditioning pressors and cookstoves wel e and thank you for enrolling in my course we re going to learn a lot have some fun and by the time you have finished you will be a skilled and petent weekend wiring warrior electrical wiring is an electrical installation of cabling and associated devices such as switches distribution boards sockets and light fittings in a structure the quickest way to identify house electrical wiring is by its color depending on where a wire ultimately gets installed you cannot always rely on the markings printed on the insulation coating nor will you always be able to read them legibly electrical wiring colour.
codes this article describes the electrical wiring color code conventions for 120v or 240v ac circuit wiring in buildings in canada the u s the u k and the i e c but looking deeper the color of the wires inside of the sheathing reveals that different colored wires serve different purposes the national electrical code nec says that white or gray must be used for neutral conductors and that bare copper or green wires must be used as ground wires caution local and provincial codes should be checked before starting any wiring project most codes dictate that all wire connections must be placed inside a switch receptacle or junction box as the voice of the u s standards and conformity assessment system the american national standards institute ansi empowers its members and constituents to strengthen the u s marketplace position in the global economy while helping to assure the safety and.
health of consumers and the protection of the environment chapter 3701 29 household sewage treatment systems 3701 29 01 definitions as used in this chapter a aashto mean the american association of state highway and transportation officials electrical wiring in north america follows regulations and standards for installation of building wiring which ultimately provides mains electricity