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2. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   An immersion heater has an electrical resistance heating element encased in a tube, placed in the water (or other fluid) to be heated. The heating element might be inserted directly into the liquid, or installed inside a metal pipe to protect against corrosion and facilitate maintenance.

3. Heating element - Wikipedia

   en.wikipedia.org/wiki/Heating_element

   A heating element is a device used for conversion of electric energy into heat, consisting of a heating resistor and accessories ... electric stoves, water heaters, ...

4. Electric water boiler - Wikipedia

   en.wikipedia.org/wiki/Electric_water_boiler

   An electric water boiler is a device comprising a water reservoir equipped with a heating element positioned at the bottom. While some models offer the convenience of multiple temperature settings, others are integrated into larger water systems capable of boiling water and dispensing it in various forms: hot, cold, or lukewarm.

5. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   A two-element electric water heater has one element at the top of the storage tank, and one element at the bottom. Each element is controlled by an independent thermostat . The lower element provides recovery from standby losses, and the upper element provides extra heating when a lot of hot water is being used.

6. Electric boiler - Wikipedia

   en.wikipedia.org/wiki/Electric_boiler

   Normally resistance heating elements are insulated from the water going through the boiler; sensitive ground fault leakage current detection may be installed to alarm or shut off power if an insulation failure is detected. Electrode boilers put the water supply in direct contact with the electrical supply; current collectors or other features ...

7. Joule heating - Wikipedia

   en.wikipedia.org/wiki/Joule_heating

   Joule heating (also known as resistive, resistance, or Ohmic heating) is the process by which the passage of an electric current through a conductor produces heat.. Joule's first law (also just Joule's law), also known in countries of the former USSR as the Joule–Lenz law, [1] states that the power of heating generated by an electrical conductor equals the product of its resistance and the ...