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  2. Energy saving module - Wikipedia

    en.wikipedia.org/wiki/Energy_Saving_Module

    Energy saving modules (ESM) reduce the electricity consumption (kWh) and maximum demand (kW) of air conditioning and refrigeration compressors. The concept was developed in Australia in 1983 by Abbotly Technologies and is now distributed by Smartcool Systems Inc. [1] The system works in conjunction with existing HVAC controls ensuring that compressors work at maximum efficiency, while ...

  3. Smart grid - Wikipedia

    en.wikipedia.org/wiki/Smart_grid

    According to an article in the Boston Globe, Northeast Utilities' Western Massachusetts Electric Co. subsidiary actually attempted to create a "smart grid" program using public subsidies that would switch low income customers from post-pay to pre-pay billing (using "smart cards") in addition to special hiked "premium" rates for electricity used ...

  4. Earthing system - Wikipedia

    en.wikipedia.org/wiki/Earthing_system

    In a TN (terra–neutral) earthing system, one of the points in the supply transformer is directly connected with Earth, usually the neutral-star-point in a star-connected supply transformer, the same point from which a neutral (N) connection would be provided. Exposed-conductive-parts within a consumer installation are connected with Earth via ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Wireless light switch - Wikipedia

    en.wikipedia.org/wiki/Wireless_light_switch

    Dimmer light switch with RF-based remote control [1] A wireless light switch is a light switch that commands a light or home appliance to turn itself off or on, instead of interrupting the power line going to the light fixture. There are different ways to communicate between the switch and the fixture: [2]

  7. Three-prong adaptor - Wikipedia

    en.wikipedia.org/wiki/Three-prong_adaptor

    The flat parallel plug blades are polarized to prevent the hot and the neutral connections from being reversed. In addition, many versions have a molded obstruction bump on top of the adapter, to block the grounding prong and thus physically prevent forcible insertion of a 3-prong plug in the wrong orientation.

  8. Falcons, Commanders eye playoff clincher behind rookie QBs - AOL

    www.aol.com/falcons-commanders-eye-playoff...

    Daniels was the No. 2 overall pick in the 2024 NFL Draft, six selections before Penix. Penix will make his second career start after replacing Kirk Cousins last week. He completed 18 of 27 passes ...

  9. Ground and neutral - Wikipedia

    en.wikipedia.org/wiki/Ground_and_neutral

    In electrical engineering, ground and neutral (earth and neutral) are circuit conductors used in alternating current (AC) electrical systems. The neutral conductor receives and returns alternating current to the supply during normal operation of the circuit; to limit the effects of leakage current from higher-voltage systems, the neutral ...

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