Binding post
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between five-way binding posts and a male BNC connector A binding post is a connector commonly used on electronic test equipment to terminate (attach) a single wire or test lead. They are also found on loudspeakers and audio amplifiers as well as other electrical equipment.
between five-way binding posts and a male BNC connector]] A binding post is a connector commonly used on electronic test equipment to terminate (attach) a single wire or test lead. They are also found on loudspeakers and audio amplifiers as well as other electrical equipment. ==History== A binding post contains a central threaded metal rod and a cap that screws down on that rod. Binding posts slowly evolved from 19th century general purpose fasteners into 20th century electrical binding posts. Examples of binding posts used during the 19th century are telegraph key and blasting machine devices. Caps are commonly insulated with plastic and color-coded: red commonly means an active or positive terminal; black indicates an inactive (reference or return) or negative terminal; and green indicates an earth (ground) terminal. Caps during the 19th century were typically bare metal until synthetic plastic, such as Bakelite, became available in the early 20th century. During the late 1940s, General Radio created a new binding post that had a jack in a cap. Today it is commonly known as a or binding post, which allows many types of connection methods: Banana plugs - a banana plug is inserted into the top open end of the binding post. Alligator clip - a slender alligator clip is clipped onto the top open end of the binding post. Bare wire - wire is wrapped around the metal post, then top cap is screwed down on it. Spade connector - wire is inserted into spade connector (1/4" throat) then crimped to secure the wire, then spade inserted around the metal post, then top cap is screwed down on it. Bare wire - wire (up to 10 AWG) is inserted into hole in metal post, then top cap is screwed down on it. Pin connector (telephone tip) - wire is inserted into pin connector then crimped to secure the wire, then inserted into metal post, then top cap is screwed down on it. ==References==
Text derived from https://en.wikipedia.org/w/index.php?oldid=1365043597 under CC BY-SA 4.0; modifications have been made.