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  2. Speakon connector - Wikipedia

    en.wikipedia.org/wiki/Speakon_connector

    Speakon panel connectors (center) provided on a professional PA power amplifier by QSC with a power output of 2 x 700 Watt (4 Ohm) The Speakon (stylized speakON ) is a trademarked name for an electrical connector , [ 2 ] originally manufactured by Neutrik , mostly used in professional audio systems for connecting loudspeakers to amplifiers .

  3. Molex connector - Wikipedia

    en.wikipedia.org/wiki/Molex_connector

    The first 5.25-inch floppy disk drive, the Shugart SA400, introduced in August 1976, used the AMP Mate-n-Lok connector part number 350211-1. [4] This connector became the standard for 5.25-inch format peripherals such as hard drives and was used until introduction of SATA drives. In 1983, Molex introduced the 8981 connector under the trademark ...

  4. 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 ...

  5. Electrical connector - Wikipedia

    en.wikipedia.org/wiki/Electrical_connector

    Terminal blocks (also called terminal boards or strips) provide a convenient means of connecting individual electrical wires without a splice or physically joining the ends. Since terminal blocks are readily available for a wide range of wire sizes and terminal quantity, they are one of the most flexible types of electrical connector available.

  6. TRIAC - Wikipedia

    en.wikipedia.org/wiki/TRIAC

    Main Terminal 1 (MT1) and Main Terminal 2 (MT2) are also referred to as Anode 1 (A1) and Anode 2 (A2) respectively. [2] The relative sensitivity depends on the physical structure of a particular triac, but as a rule, quadrant I is the most sensitive (least gate current required), and quadrant 4 is the least sensitive (most gate current required).

  7. Ring circuit - Wikipedia

    en.wikipedia.org/wiki/Ring_circuit

    The ring circuit is still the most common mains wiring configuration in the UK, although both 20 A and 30 A radial circuits are also permitted by the Wiring Regulations, with a recommendation based on the floor area served (20 A for area up to 25 m 2, 30 A for up to 100 m 2).