ALUMEL® - An alloy used for thermocouple and thermocouple extension wire. Alumel® is a trademark of the Hoskins Mfg. Co.
ALUMINUM CONDUCTOR - A wire or group of wires of aluminum, not insulated from each other, suitable for carrying electrical current.
am - Abbreviation for amplitude modulation. Also abbreviated as AM.
AMBIENT TEMPERATURE - The temperature of a medium (gas or liquid) surrounding an object.
AMERICAN WIRE GAUGE - Abbreviated AWG. See AWG.
AMP - Abbreviation for ampere. See Ampere.
AMPACITY - See current carrying capacity.
AMPERE - The unit expressing the rate of flow of an electrical current. One ampere is the current flowing through one ohm resistance with one volt potential. Abbreviated as amp.
AMPLIFIER - A device usually employing electron tubes or transistors to obtain amplification of voltage, current, or power.
AN - Literally “aircraft number”. For example, AN-6 signifies a wire size of No. 6 AWG.
ANALOG - Being or relative to a mechanism in which data is represented by continuously varying physical quantities. Opposite - digital.
ANNEALED WIRE - Wire which has been softened by heating and gradually cooling. Also called soft drawn wire.
