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  2. DIN 72552 - Wikipedia

    en.wikipedia.org/wiki/DIN_72552

    2. slow rpm: 33g 3. slow rpm 33h 4. slow rpm 33L rotation left 30L 33R rotation right 30R Indicators 49 flasher unit in 15, 15+, 15/54, +, +15, X 49a flasher unit out, indicator switch in 54L, S, S4, L 49b out 2. flasher circuit 49c out 3. flasher circuit C 1st flasher indicator light K, K1, P C2 2nd flasher indicator light K1, K2, K3, K4 C3

  3. File:Wiring diagram of 3-phase transfer switch.JPG - Wikipedia

    en.wikipedia.org/wiki/File:Wiring_diagram_of_3...

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  4. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.

  5. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    An automotive wiring diagram, showing useful information such as crimp connection locations and wire colors. These details may not be so easily found on a more schematic drawing. A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the ...

  6. File:RS-485 3 wire connection.svg - Wikipedia

    en.wikipedia.org/wiki/File:RS-485_3_wire...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  7. Knob-and-tube wiring - Wikipedia

    en.wikipedia.org/wiki/Knob-and-tube_wiring

    The conduit methods were known to be of better quality, but cost significantly more than K&T. [2] In 1909, flexible armored cable cost about twice as much as K&T, and conduit cost about three times the price of K&T. [6] Knob and tube wiring persisted since it allowed owners to wire a building for electricity at lower cost.

  8. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/Electronic_symbol

    Wire crossover symbols for circuit diagrams. The CAD symbol for insulated crossing wires is the same as the older, non-CAD symbol for non-insulated crossing wires. To avoid confusion, the wire "jump" (semi-circle) symbol for insulated wires in non-CAD schematics is recommended (as opposed to using the CAD-style symbol for no connection), so as to avoid confusion with the original, older style ...

  9. Electrical wiring in North America - Wikipedia

    en.wikipedia.org/wiki/Electrical_wiring_in_North...

    An extended specification, THWN-2 permits use in wet locations and conductor temperatures up to 90°C simultaneously. [18] There are additional restrictions on such wire's use not mentioned here (for example, neither THHN nor THWN may be exposed to sunlight, or directly buried in the ground [20]); see the NEC for details.