mains supply
11mains electricity — UK / US noun [uncountable] the public supply of electricity for people to use in their homes, offices etc …
12Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy …
13Uninterruptible power supply — A small free standing UPS …
14Power 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… …
15Switched-mode power supply — switched mode power supply. A bridge rectifier B Input filter capacitors C Transformer D output filter coil E output filter capacitors ] A switched mode power supply, switching mode power supply or SMPS, is an electronic power supply unit (PSU)… …
16Electricity 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… …
17Water supply and sanitation in Ireland — Water supply and sanitation services in Ireland, in contrast to most countries in the world, are provided free of charge to domestic users since 1997. Only non domestic users are billed for these services. The bulk of the costs of service… …
18Diesel rotary uninterruptible power supply — Most forms of Uninterruptible Power Supply (UPS) are battery powered. These are ready for immediate use at the instant that the mains electricity fails, but the small amount of stored energy they contain makes them suitable for a few minutes of… …
19Water supply — is the process of self provision or provision by third parties of water of various qualities to different users. Irrigation is covered separately. Global access to waterIn 2004 about 3.5 billion people worldwide (54% of the global population) had …
20Consumer 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… …
