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A pattress or pattress box or fitting box (in the United States and Canada, electrical wall switch box, electrical wall outlet box, electrical ceiling box, switch box, outlet box, electrical box, etc.) is the container for the space behind electrical fittings such as power outlet sockets, light switches, or fixed light fixtures.
A punch-down block (also punchdown block, punch block, punchblock, quick-connect block and other variations) is a type of electrical connection often used in telephony. It is named because the solid copper wires are "punched down" into short open-ended slots which are a type of insulation-displacement connector.
Your Old Wiring. New York: McGraw-Hill. ISBN 978-0071357012. Written for home owners and do-it-yourselfers. Shapiro, David E. (2010). Old Electrical Wiring: Evaluating, Repairing, and Upgrading Dated Systems (2nd ed.). New York: McGraw-Hill. ISBN 978-0071663571. Written for professional electricians and advanced property owners.
Utility box may refer to: A toolbox; Pattress, a box that houses electrical sockets, switches, or other fixtures, also known as an electrical box Junction box, a box that houses electrical connections; Electrical enclosure, a cabinet-sized box housing electrical equipment or connectors Pad-mounted transformer
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An electrical junction box (also known as a "jbox") is an enclosure housing electrical connections. [1] Junction boxes protect the electrical connections from the weather , as well as protecting people from accidental electric shocks .
U.S. patent 774,250.The first US power plug and socket dated 1904. Several early American electrical plug and socket arrangements were invented by Harvey Hubbell.On 26 February 1903 he filed two patent applications featuring 2-pin plugs and adaptors for using his plugs with existing designs of lamp sockets and wall receptacles.
Some construction companies specialise in first fix work or second fix work, but most do both. In North America, terms such as roughing in and finishing or rough-in and finish work are often heard, referring to similar concepts. Another related set of terms is outside work and inside work (the