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  2. Universal powerline bus - Wikipedia

    en.wikipedia.org/wiki/Universal_powerline_bus

    Universal Powerline Bus (UPB) is a proprietary software protocol developed by Powerline Control Systems [1] for power-line communication between devices used for home automation. Household electrical wiring is used to send digital data between UPB devices via pulse-position modulation .

  3. HomePlug - Wikipedia

    en.wikipedia.org/wiki/HomePlug

    A powerline adapter may also be plugged into a hub or switch so that it supports multiple Ethernet devices residing in a common room. Increasingly, the functionality found in standalone adapters is being built into end devices such as power control centers, digital media adapters, and Internet security cameras.

  4. EmPower (aircraft power adapter) - Wikipedia

    en.wikipedia.org/wiki/EmPower_(aircraft_power...

    15 volt DC connector type found on many commercial airlines designed to provide power to travelers' electronic devices. The system is limited to 75 watts. [2] The use of a special connector is to prevent laptops charging at altitude and ensure that only approved adapters can be used.

  5. Power-line communication - Wikipedia

    en.wikipedia.org/wiki/Power-line_communication

    A PLC carrier repeating station is a facility, at which a power-line communication (PLC) signal on a powerline is refreshed. Therefore the signal is filtered out from the powerline, demodulated and modulated on a new carrier frequency, and then reinjected onto the powerline again. As PLC signals can carry long distances (several hundred ...

  6. AC adapter - Wikipedia

    en.wikipedia.org/wiki/AC_adapter

    The X-connector here provides 3.5 and 2.5 mm phone plugs and two sizes of coaxial power connector Universal laptop power supply with adjustable voltage between 12 and 24 volts. External power adapters can fail, or can become separated from the product they are intended to power. Consequently, there is a market for replacement adapters.

  7. Three-prong adaptor - Wikipedia

    en.wikipedia.org/wiki/Three-prong_adaptor

    Bill Whitlock, president of Jensen Transformers, writes, "never, ever use devices such as 3 to 2-prong AC plug adapters, a.k.a. 'ground lifters', to solve a noise problem!" [ 5 ] Whitlock relates how an electrical fault in one device that is connected to its electricity source through an ungrounded cheater plug will result in dangerous, high ...

  8. Coaxial power connector - Wikipedia

    en.wikipedia.org/wiki/Coaxial_power_connector

    2.00 0.60 6.3 Nokia 2-mm DC Charging Interface Specification [3] 4.65–9.3 V Nokia DC-096 (0.48×2.1 mm on socket side) Nokia AC-3 charger Nokia 2-mm DC Charging Interface, used in Nokia phones and Bluetooth headphones 2.35 0.70 9.5 A EIAJ-01 0–3.15 V Kobiconn 3218-EX Lumberg 1636 01 Kobiconn 0307-EX (inline)

  9. Overhead power line - Wikipedia

    en.wikipedia.org/wiki/Overhead_power_line

    In 1999, in Japan the first powerline designed for 1000 kV with 2 circuits were built, the Kita-Iwaki Powerline. In 2002 the building of the highest overhead line commenced in China, the Yangtze River Crossing, its two 346.5 m (1,137 ft) high suspension towers beginning service in 2004. [22]

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