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  2. Trimmer (electronics) - Wikipedia

    en.wikipedia.org/wiki/Trimmer_(electronics)

    The skeleton potentiometer works like a regular circular potentiometer, but is stripped of its enclosure, shaft, and fixings. The full movement of a skeleton potentiometer is less than a single turn. The other type is the multi-turn potentiometer which moves the slider along the resistive track via a gearing arrangement.

  3. Electrical enclosure - Wikipedia

    en.wikipedia.org/wiki/Electrical_enclosure

    Electro polished enclosure (control station), explosion-proof A municipal electrical enclosure Allen Bradley programmable logic controller (PLC) installed in an electrical enclosure. An electrical enclosure is a cabinet for electrical or electronic equipment to mount switches, knobs and displays and to prevent electrical shock to equipment ...

  4. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    Simple LED (Light Emitting Diode) circuit diagram. In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED.

  5. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    The IEEE 315 standard contains a list of Class Designation Letters to use for electrical and electronic assemblies. For example, the letter R is a reference prefix for the resistors of an assembly, C for capacitors, K for relays. Industrial electrical installations often use reference designators according to IEC 81346.

  6. NEMA connector - Wikipedia

    en.wikipedia.org/wiki/NEMA_connector

    The small hole near the end of the power (non-ground) blades of some NEMA plugs is used for convenience in manufacturing; if present, it must be of specified diameter and position. [2] Small specialized padlocks are available to fit these holes, allowing " lockout " of hazardous equipment, by physically preventing insertion of locked plugs into ...

  7. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    The ink consists of a carrier material loaded with a suitable metal, typically copper or nickel, in the form of very small particulates. It is sprayed on to the enclosure and, once dry, produces a continuous conductive layer of metal, which can be electrically connected to the chassis ground of the equipment, thus providing effective shielding.

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