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2. Twist-on wire connector - Wikipedia

   en.wikipedia.org/wiki/Twist-on_wire_connector

   Specific twist-on wire connectors containing a conductive, anti-oxidant gel are registered for use on residential aluminum wiring in Canada, including when new copper wiring is connected to existing aluminum wiring. [4] Special feedthrough twist-on wire connectors differ from standard wire connectors in that they have an additional opening at ...

3. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   A "4-way" (intermediate) switch is a purpose built double pole, double throw (DPDT) switch, internally wired in manufacture to reverse the connections between the input and output and having only four external terminals. This switch has two pairs of "traveler" terminals that it connects either straight through, or crossed over (transposed, or ...

4. Harvey Hubbell - Wikipedia

   en.wikipedia.org/wiki/Harvey_Hubbell

   The pull-chain electrical light socket was patented in 1896, and his most famous invention, the U.S. electrical power plug, in 1904. It allowed the adoption in the U.S. of convenient, portable electrical devices, which Great Britain had enjoyed since the early 1880s. [ 4 ]

5. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   Shown here will be fastened to this recessed, non-metallic box, then a cover plate is installed. This "double gang" (two unit) installation uses non-metallic-sheathed cable and twist-on wire connectors. In electrical wiring, a light switch is a switch most commonly used to operate electric lights, permanently connected equipment, or electrical ...

6. FASTON terminal - Wikipedia

   en.wikipedia.org/wiki/FASTON_terminal

   FASTON terminals or faston terminals are connectors that are widely used in electronic and electrical equipment. These terminals are manufactured by many companies, commonly using the terms "quick disconnect", "quick connect", "tab" terminals, "spade" terminals [ 1 ] or blade connectors ; without qualifiers, the first two could be mistaken for ...

7. Hubbell Incorporated - Wikipedia

   en.wikipedia.org/wiki/Hubbell_Incorporated

   In product innovation, he devised the company's lines of Twist-Lock industrial connectors with new 2-, 3-, and 4-wire devices of various ratings, designed a whole new series of locking connectors for industrial use which he named "Hubbellock", and introduced heavy-duty, circuit-breaking devices.