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Twist-on wire connectors are not generally recommended for use with aluminum wire in the United States. [1] The U.S. Consumer Product Safety Commission disapproves wire nuts for aluminum wire; instead, special crimp connectors are called for, and as of 2011 the CPSC asserted qualified, second-preference approval of a certain kind of screw ...
PCB mount connectors soldered to a printed circuit board, providing a point for cable or wire attachment. [6]: 56 (e.g. pin headers, screw terminals, board-to-board connectors) Splice or butt connectors (primarily insulation displacement connectors) that permanently join two lengths of wire or cable
Cheater plug adapters allow a "3-prong" grounded 5-15P plug to be mated to a non-grounded 1-15R receptacle. The adapters include a spade lug to allow connecting to ground, often via the cover screw used to attach the outlet faceplate. These adapters are illegal in some jurisdictions, in particular throughout Canada. [14]
Some banana plugs have exposed set screws that are electrically connected to the wire. When stacking plugs using transverse holes in a plug, large parts of the pin of the second plug are exposed. Another reason why banana connectors are not rated for mains usage is the lack of double insulation of wires and connectors.
The ground tab is designed to be attached to the outlet faceplate screw, which is supposed to be connected to the building electrical ground. A cheater plug, AC ground lifter or three-prong/two-prong adapter is an adapter that allows a NEMA 5-15P grounding-type plug (three prongs) to connect to a NEMA 1-15R non-grounding receptacle (two slots).
A short pipe fitting having an FIP thread at both ends is sometimes called a coupling. Hermaphroditic connections, which may include both male and female elements in a single unit, are used for some specialized tubing fittings, such as Storz fire hose connectors. A picture of such fittings appears in § Genderless (hermaphroditic), below ...
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Three-way E26d light socket E26 Edison screw to NEMA 1-15 adapter. Specifications for all lamp mount types are defined in the following American National Standards Institute (ANSI) [12] and International Electrotechnical Commission (IEC) publications: Lamp Caps – ANSI C81.61 and IEC 60061-1; Lamp Holders – ANSI C81.62 and IEC 60061-2