metering relay
21Fuse (electrical) — A miniature time delay fuse used to protect electronic equipment, rated 0.3 amperes at 250 volts. 1.25 inches (about 32 mm) long …
22Capacitor voltage transformer — A capacitor voltage transformer (CVT), or capacitance coupled voltage transformer (CCVT) is a transformer used in power systems to step down extra high voltage signals and provide a low voltage signal, for measurement or to operate a protective… …
23Northeast blackout of 1965 — A map of the states and provinces affected; not all areas within the political boundaries were blacked out. The Northeast blackout of 1965 was a significant disruption in the supply of electricity on November 9, 1965, affecting Ontario, Canada… …
24Real-time locating standards — Articleissues copyedit=May 2008According to ISO/IEC FDIS 19762 5 [ [http://www.autoid.org/SC31/sc31.htm] (ISO Subcommittee SC31)] an RTLS (real time locating system) is a combination of hardware and software that is used to continuously determine …
25Automatic Message Accounting — (AMA) provides detail billing for telephone calls. When Direct Distance Dialing (DDD) was introduced in the USA, message registers no longer sufficed for dialed telephone calls. The need to record the time and phone number of each long distance… …
26National Grid (Great Britain) — For the UK Ordnance Survey National Grid for mapping co ordinates in Great Britain, see Ordnance Survey National Grid. 400 kV power line in Cheshire The National Grid is the high voltage electric power transmission network in …
27valve — A device used to either open or close an opening to allow or prevent the flow of a liquid or gas from one place to another. There are many different types. See ABS relay valve accumultor valve air valve carburetor air control valve air gulp valve …
28ZigBee — module. The €1 coin, shown for size reference, is about 23 mm (0.9 inch) in diameter. ZigBee is a specification for a suite of high level communication protocols using small, low power digital radios based on an IEEE 802 standard for personal… …
29Point-to-Point Protocol over Ethernet — PPPoE, Point to Point Protocol over Ethernet, is a network protocol for encapsulating Point to Point Protocol (PPP) frames inside Ethernet frames. It is used mainly with ADSL services where individual users connect to the ADSL transceiver (modem) …
30University of Illinois at Chicago — Motto Teach, research, serve, care. Established 1858 Chicago College of Pharmacy 1965 University of Illinois at Chicago Circle Type …
