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2. 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.

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. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...

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

   An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.

7. Broadband over power lines - Wikipedia

   en.wikipedia.org/wiki/Broadband_over_power_lines

   On August 3, 2006, FCC adopted a memorandum opinion and an order on broadband over power lines, giving the go-ahead to promote broadband service to all Americans. [17] The order rejected calls from aviation, business, commercial, amateur radio and other sectors of spectrum users to limit or prohibit deployment until further study was completed.