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  2. Surge protector - Wikipedia

    en.wikipedia.org/wiki/Surge_protector

    Surge Protection Device (SPD) for installation in a low-voltage distribution board. A surge protector (or spike suppressor, surge suppressor, surge diverter, [1] surge protection device (SPD), transient voltage suppressor (TVS) or transient voltage surge suppressor (TVSS)) is an appliance or device intended to protect electrical devices in alternating current (AC) circuits from voltage spikes ...

  3. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    surge protection The measures taken to protect machines and apparatus from transient overvoltages. switch An electrical device that opens and closes a circuit; it may be manually operated, automatically operated by some other electrical circuit, or operated by the change in some physical condition such as flow, level, or temperature.

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    A common need in engineering drawings is to instruct the user to do activity X in accordance with technical standard Y. For example, "Weld all subassemblies IAW AWS XYZ.123" means "Weld all subassemblies in accordance with American Welding Society standard number XYZ.123" (the number is hypothetical in this example). The word "per" is ...

  5. Extension cord - Wikipedia

    en.wikipedia.org/wiki/Extension_cord

    Yellow NEMA 5-15 extension cord NEMA-1 extension cord, common in the United States Extension cord reel (Germany). An extension cord (US), extension cable, power extender, drop cord, or extension lead (UK) is a length of flexible electrical power cable (flex) with a plug on one end and one or more sockets on the other end (usually of the same type as the plug).

  6. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    ENG – engineering log; ENGF – engineer factual report; ENGPD – engineering porosity data; Eni – Ente Nazionale Idrocarburi S.p.A. (Italy) [13] ENJ – enerjet log; ENMCS – electrical network monitoring and control system; EODU – electrical and optical distribution unit; EOFL – end of field life; EOR – enhanced oil recovery; EOT ...

  7. Glossary of mechanical engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mechanical...

    Automotive engineering – Automotive engineering, along with aerospace engineering and marine engineering, is a branch of vehicle engineering, incorporating elements of mechanical, electrical, electronic, software and safety engineering as applied to the design, manufacture and operation of motorcycles, automobiles and trucks and their ...

  8. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    The offline/standby UPS offers only the most basic features, providing surge protection and battery backup. The protected equipment is normally connected directly to incoming utility power. When the incoming voltage falls below or rises above a predetermined level the UPS turns on its internal DC-AC inverter circuitry, which is powered from an ...

  9. Glossary of engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_engineering

    Glossary of aerospace engineering This article includes an engineering-related list of lists . If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.