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EmPower is a brand name that refers to three different power outlets available on commercial airlines: 15-Volt, 75 Watt DC connector (now called EmPower Classic by the vendor) 5-Volt, 10 Watt USB power-only jacks [1] 110-Volt, AC power jacks (some also have an EmPower USB jack)
The latter is rated at only 110 V (since certain [foreign] 110 V plugs could be inserted into the socket-outlet) and may be used on PAR 64 lights, where two 110 volt 1000 watt lamps are used in series. [23] The active terminal is the first 'socket' from the earth 'socket' in a clockwise direction when viewing the front of a socket-outlet.
The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.
A simple voltage dropper can be used to reduce the voltage for low-power devices; if more than 12V is required, or for high-powered devices, a switched-mode power supply is used. The output will usually be DC in the range 1.5–24 V. Power supplies that output either 100–120 V AC or 210–240 V AC are available; they are called inverters ...
A switchable power strip or power bar. Timers can be used to turn off standby power to devices that are unused on a regular schedule. Switches that turn the power off when the connected device goes into standby, [30] or that turn other outlets on or off when a device is turned on or off are also available. Switches can be activated by sensors.
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.
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