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  2. Residual-current device - Wikipedia

    en.wikipedia.org/wiki/Residual-current_device

    A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device, more specifically a form of Earth-leakage circuit breaker, that interrupts an electrical circuit when the current passing through line and neutral conductors of a circuit is not equal (the term residual relating to the imbalance), therefore ...

  3. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    1A1A44J5 - Unit 1, Assembly 1, Sub-Assembly 44, Jack 5 (J5 is a connector on a box referenced as A44) 1A1A45J333 - Unit 1, Assembly 1, Sub-Assembly 45, Jack 333 (J333 is a connector on a box referenced as A45) A cable connecting these two might be: 1A1W35 - In the assembly A1 is a cable called W35. Connectors on this cable would be designated:

  4. Arc-fault circuit interrupter - Wikipedia

    en.wikipedia.org/wiki/Arc-fault_circuit_interrupter

    An arc-fault circuit interrupter (AFCI) or arc-fault detection device (AFDD) [1] is a circuit breaker that breaks the circuit when it detects the electric arcs that are a signature of loose connections in home wiring. Loose connections, which can develop over time, can sometimes become hot enough to ignite house fires.

  5. Who is Cathie Wood? The controversial figure behind Ark Invest

    www.aol.com/finance/cathie-wood-controversial...

    Cathie Wood, the founder of investment management firm Ark Invest, is known for her aggressive bets on disruptive technologies. Her flagship fund, the Ark Innovation ETF (ARKK), made headlines in ...

  6. 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 ...

  7. Armstrong World Industries - Wikipedia

    en.wikipedia.org/wiki/Armstrong_World_Industries

    In 2022, AWI had $1.2 billion in revenue. [9] In 2024, it had 3,100 employees and 17 facilities, [9] with its research lab in Manor Township. [20] In January 2024, AWI acquired a stake in Overcast Innovations, a ceiling system designer in Seattle. [9]

  8. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    Ceiling fan – may sometimes have a light, often referred to as a light kit mounted to it. Ceiling fans with built-in lights may eliminate the need for separate overhead light fixtures in a room, and light kits can also replace any ceiling-mounted light fixtures that were displaced by the installation of the ceiling fan.

  9. Ark Encounter - Wikipedia

    en.wikipedia.org/wiki/Ark_Encounter

    [1] Lighting at the Ark Encounter is designed to resemble oil lamps. While the builders originally planned to hold the ark together with wooden pegs, modern building codes required the builders to use steel fasteners, thus 95 tons of metal plates and bolts were used to connect the wood together. [52]