grounding connection
21Lightning rod — A lightning rod (USA) or lightning conductor (UK) is a single component in a lightning protection system. In addition to rods placed at regular intervals on the highest portions of a structure, a lightning protection system typically includes a… …
22Ground and neutral — For uses of the term ground or earth in electricity but not in the context of mains wiring, see ground (electricity). Since the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely… …
23Maritime mobile amateur radio — An emergency portable boat radio transceiver, Museal ship S/S Sołdek in Gdańsk, Poland Most countries amateur radio licences allow licensed operators to install and use radio transmission equipment while at sea. Such operation is known as… …
24Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
25Christianity — /kris chee an i tee/, n., pl. Christianities. 1. the Christian religion, including the Catholic, Protestant, and Eastern Orthodox churches. 2. Christian beliefs or practices; Christian quality or character: Christianity mixed with pagan elements; …
26TRS connector — 1⁄4 in TRS connector Trip …
27Cape Air — Infobox Airline airline=Cape Air logo size=232 fleet size=55 destinations=29 IATA=9K ICAO=KAP callsign=CAIR parent= founded=1989 headquarters=Hyannis, Massachusetts key people=Daniel A. Wolf (CEO) hubs=Barnstable Municipal Airport Luis Muñoz… …
28McMurdo Sound — McMurdo Sound, Antarctica The ice clogged waters of Antarctica s McMurdo Sound extend about 55 km (35 mi) long and wide. The sound opens into the Ross Sea to the north. The Royal Society Range rises from sea level to 13,205 feet (4,205… …
29Ground 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… …
30Stèphano Sabetti — Infobox Scientist name = Dr. Stèphano Sabetti Dr. Stèphano Sabetti is a spiritual facilitator/mentor, eclectic writer and speaker on fundamental spiritual, philosophical, and psychological subjects. His subject matter includes such diverse topics …
