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An alphabetical listing of General terms and items.
A connector point for which there is no internal connection.
The format of defences of a Japanese castle; the castle's plan.
National Bureau of Standards.
National Electric Codes.
A decrease in resistance with an increase in temperature.
A standard from the National Electrical Manufacturers Association, which defines enclosures with protection against dirt, dust, splashes by non-corrosive liquids, and salt spray.
A standard from the National Electrical Manufacturers Association, which defines enclosures intended for indoor or outdoor use primarily to provide a degree of protection against windblown dust and rain, splashing water, and hose-directed water.
A standard from the National Electrical Manufacturers Association, which defines explosion-proof enclosures for use in locations classified as Class I, Groups A, B, C or D, as specified in the National Electrical Code.
An older US case standard for panel meters, which requires a panel cutout of 3.93 x 1.69 inches.
A mathematical description of electrode behavior
A group of computers that are connected to each other by communications lines to share information and resources.
One half of a byte.
A nickel chrome/nickel silicone thermal alloy used to measure high temperatures. Inconsistencies in thermoelectric voltages exist in these alloys with respect to the wire gage.
The second defensive compound of a Japanese castle, which either surrounded or was adjacent to the honmaru or the main compound.
An explosive compound made from a mixture of glycerol and concentrated nitric and sulfuric acids, and an important ingredient of most forms of dynamite
The ability of a panel meter to filter out noise superimposed on the signal and applied across the SIG HI to SIG LO input terminals. Normally expressed in dB at 50/60 Hz.
An unwanted electrical interference on the signal wires.
The force per unit area on a given plane within a body a = F/A
A reversible hydrogen electrode (Pt) in contact with hydrogen gas at 1 atmosphere partial pressure and immersed in a solution containing hydrogen ions at unit activity.
The ability of an instrument to reject interference usually of line frequency (50-60 Hz) across its input terminals.
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See Italian merlon, merlon.
National Pipe Thread.
A condition, such as balance, which results in a minimum absolute value of output.
A Roman fort used to house irregular troop units call numeri (such as the numeri Brittonum). An example is the numerus fort at Hesselbach in Germany.
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