NEUTRAL - a). Having no net positive or negative electric charge at earth potential. b). c Denoting the line that completes the domestic mains supply and is connected to earth at the power station.
NEWTON - The unit of force in the metric system of physical units that is of such size that under its influence a body whose mass is one kilogram would experience an acceleration of one meter per second per second. Abbreviated N.
NFPA - Abbreviation for National Fire Protection Association. See National Fire Protection Association.
NICKEL-CLAD COPPER WIRE - A wire with a layer of nickel on a copper core where the area of the nickel is approximately 30% of the conductor area. The nickel has been rolled and fused to the copper before drawing. It has a very high resistivity and can operate at extremely high temperatures. Abbreviated NCC and NC.
NICROME® - Driver Harris Company’s trade name for an alloy of 60% nickel, 16% chromium, and the balance steel. Used exclusively in wire wound resistors and heating elements.
nm - Abbreviation for nanometer. One-billionth (10-9) of a meter.
NMC - Abbreviation for Naval Material Command. Central Navy agency for the development, procurement, maintenance, supply, disposal, distribution, and storage of material. Includes the following Systems Commands; the Naval Ships Systems Command (NAVSHIPS), the Naval Ordnance Systems Command (NAVORD), the Naval Air Systems Command (NAVAIR), the Naval Electronics Systems Command (NAVELEX), the Naval Facilities Engineering Command (NAVFAC), and the Naval Supply Systems Command (NAVSUP).
NO. - Abbreviation for number.
NOM. - Abbreviation for nominal.
NOMEX® - DuPont de Nemours Co. trademark for a temperature resistant, flame-retardant nylon.
NON CONTAMINATING - Refers to a type of PVC jacketing material whose plasticizer will not migrate into the dielectric of a coaxial cable and thus avoids contaminating and destroying the dielectric.
NON HYGROSCOPIC - Material does not absorb moisture.
