mains electricity
11Electricity — (from the Greek word ήλεκτρον, (elektron), meaning amber, and finally from New Latin ēlectricus , amber like ) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many… …
12mains — (m[=a]nz), n. (Electricity) The source of electrical power in a building; the wiring system of a building. [PJC] …
13Electricity Supply Board — Infobox Company company name = Electricity Supply Board company company type = Statutory Corporation foundation = Dublin, Ireland (1927) location = Dublin, Ireland key people = Padraig McManus, CEO Lochlann Quinn Chairman num employees = 7000… …
14electricity — noun ADJECTIVE ▪ high voltage, low voltage ▪ mains (BrE) ▪ static ▪ cheap, low cost ▪ …
15AC/DC (electricity) — Electronic equipment designed to run off either alternating current (ac) or direct current (dc) power is described as ac/dc or AC/DC equipment. This usage has become obsolete with the vacuum tube. Some equipment is inherently able to use either… …
16Ground (electricity) — In electrical engineering, ground or earth may be the reference point in an electrical circuit from which other voltages are measured, or a common return path for electric current, or a direct physical connection to the Earth. A typical earthing… …
17Consumer mains wiring — Đomestic consumer mains wiring refers to the wiring in the house hold premises and low voltage installations. Even though arbitrary electric wiring demands detailed calculations for selection of conductor sizes, circuit breakers, voltage drops… …
18Union for the Co-ordination of Transmission of Electricity — The Union for the Co ordination of Transmission of Electricity (UCTE) is an association of electricity distribution network operators in Continental Europe. It operates a single phase locked 50 Hz mains frequency electricity grid that supplies… …
19Ground loop (electricity) — In an electrical system, a ground loop usually refers to a current, generally unwanted, in a conductor connecting two points that are supposed to be at the same potential, often ground, but are actually at different potentials. Ground loops… …
20Live wire (electricity) — In electrical wiring a Live wire is a wire which is above or below Earth (UK) or Ground (USA) potential, or which alternates above and below (in AC). Touching a live wire can result in an electric shock or electrocution.Wiring coloursFor wiring… …
