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2. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

3. Reliance Home Comfort - Wikipedia

   en.wikipedia.org/wiki/Reliance_Home_Comfort

   Due to regulatory changes, Union Gas' unregulated water heater business was split off in 1999 as a sister company named Union Energy. [ 8 ] [ 9 ] Union Energy was then acquired in 2001 by Epcor for about $160 million, [ 9 ] later also acquiring Hydro One 's retail rental division Ontario Hydro Energy. [ 10 ]

4. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   The 7-20 version has an enlarged line/hot pin. 7-30 is a larger diameter connector, with an L-shaped neutral, while the 7-50 has an enlarged neutral pin, compared ...

5. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   30 kW resistance heating coils This radiant heater uses tungsten halogen lamps. Electric heating is a process in which electrical energy is converted directly to heat energy. Common applications include space heating, cooking, water heating and industrial processes. An electric heater is an electrical device that converts an electric current ...

6. Recreational vehicle terms - Wikipedia

   en.wikipedia.org/wiki/Recreational_vehicle_terms

   Most newer US campgrounds with electrical hookups offer three outlets in the connection box: two-prong with ground 120-volt AC 20 amperes; three-prong RV 120-volt AC 30 amperes; and a four-prong RV 120/240-volt AC 50 amperes (which can power 120-volt loads and the large 240-volt loads at the same time).

7. A. O. Smith - Wikipedia

   en.wikipedia.org/wiki/A._O._Smith

   A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and water purification products in the Asian market. [ 6 ]