electrical power unit
31Power supply unit (computer) — Power supply unit with top cover removed A power supply unit (PSU) supplies direct current (DC) power to the other components in a computer. It converts general purpose alternating current (AC) electric power from the mains (110 V to… …
32Electrical bonding — is the practice of intentionally electrically connecting all metallic non current carrying items in a room or building as protection from electric shock. If a failure of electrical insulation occurs, all metal objects in the room will have the… …
33Power — may refer to*any ability to effect change;political or social * Power (philosophy) ** Political power, power held by a person or group in a country s political system ** Reserve power, a power exercised by a head of state in certain exceptional… …
34Electrical resistance — is a ratio of the degree to which an object opposes an electric current through it, measured in Ohms. Its reciprocal quantity is electrical conductance measured in Siemens. Assuming a uniform current density, an object s electrical resistance is… …
35Power steering — helps drivers steer vehicles by augmenting steering effort of the steering wheel. It does this by adding controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions. In particular, power …
36Electrical resistivity and conductivity — This article is about electrical conductivity in general. For the specific conductance of aqueous solutions, see Conductivity (electrolytic). For other types of conductivity, see Conductivity. Electrical resistivity (also known as resistivity,… …
37Electrical connector — Back of an audio amplifier features a variety of electrical connectors An electrical connector is an electro mechanical device for joining electrical circuits as an interface using a mechanical assembly. The connection may be temporary, as for… …
38Electrical wiring in Hong Kong — This article exists to give readers an insight into electrical wiring in Hong Kong. Contents 1 Overview 2 Case specific analysis 2.1 Mainland China two pin plugs 2.2 …
39Electrical impedance — Electromagnetism Electricity · …
40Electrical conductor — Overhead conductors carry electric power from generating stations to customers. In physics and electrical engineering, a conductor is a material which contains movable electric charges. In metallic conductors such as copper or aluminum, the… …
