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  2. In-circuit testing - Wikipedia

    en.wikipedia.org/wiki/In-circuit_testing

    A common form of in-circuit testing uses a bed-of-nails tester.This is a fixture that uses an array of spring-loaded pins known as "pogo pins". When a printed circuit board is aligned with and pressed down onto the bed-of-nails tester, the pins make electrical contact with locations on the circuit board, allowing them to be used as test points for in-circuit testing.

  3. Knob-and-tube wiring - Wikipedia

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

    [4] [citation needed] This direct routing method has the advantage of reduced cost by allowing use of the shortest possible lengths of wire, but the major disadvantage is that a detailed building wiring diagram is needed for other electricians to understand multiple interwoven circuits, especially if the wiring is not fully visible throughout ...

  4. Breakout box - Wikipedia

    en.wikipedia.org/wiki/Breakout_box

    T1000-37 Tesuto Breakout box employing commonly used 37 position D-sub connectors that break out to banana jack test points. A four-port serial (RS-232) PCI Express ×1 expansion card with an octopus cable that breaks the card's DC-37 connector into four standard DE-9 connectors Example of a pocket-sized RS-232 breakout box that features switches to reconfigure or patch any or all the active ...

  5. Electrical safety testing - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_testing

    An insulation resistance test (IR test) measures the electrical resistance of insulation by applying a voltage between two locations, and measuring the resultant current flow. Proper safety precautions must be taken when doing this test, such as exclusion zones, making sure no wires are exposed, and personal protective equipment is worn.

  6. Supply Chain Problems in 2021: How They Impacted the ... - AOL

    www.aol.com/supply-chain-problems-2021-impacted...

    The first and possibly second quarter of 2022 will be a test of retailers’ supply chains and operational capabilities. With shortages of many key components for manufacturers as well as labor ...

  7. Supply Chain Problems Are Hitting Small Businesses - AOL

    www.aol.com/supply-chain-problems-hitting-small...

    Disruptions in the global supply chain are making a big impact on small businesses in the U.S. According to a survey of roughly 800 companies by business advisory firm Vistage Worldwide Inc ...

  8. Load bank - Wikipedia

    en.wikipedia.org/wiki/Load_bank

    A load bank is a piece of electrical test equipment used to simulate an electrical load, to test an electric power source without connecting it to its normal operating load. [ 1 ] [ 2 ] During testing, adjustment, calibration, or verification procedures, a load bank is connected to the output of a power source, such as an electric generator ...

  9. Kit-of-parts - Wikipedia

    en.wikipedia.org/wiki/Kit-of-parts

    Kit-of-parts construction is a special subset of pre-fabrication that not only attempts to achieve flexibility in assembly and efficiency in manufacture, but also by definition requires a capacity for demountability, disassembly, and reuse. Kit-of-parts structures can be assembled and taken apart in a variety of ways like a construction toy.