Page 337 - Electromechanical Devices and Components Illustrated Sourcebook

GLOSSARY

A buss bar A bar generally used to provide multiple power
AC Abbreviation for alternating current connections
accelerometer An instrument to measure acceleration button A switch that is actuated by pushing
acorn tube An acorn shaped vacuum tube BX cable Flexible metal jacketed wires
acoustic Pertaining to sound
actuator A device that moves a load C
adaptor A plug or jack designed to change the configura- cable A general term for multiconductor bundles or heavy
tion of a connector wire
alarm A device that generates an audible signal for the CAD Abbreviation for computer aided design
express purpose of alerting an operator to a specific capacitor A device that is intended to provide short-term
condition storage of an electrical signal
alligator clip A spring loaded clip used for testing cathode Negative electrode
am Abbreviation for amplitude modulation CRT Abbreviation for cathode ray tube
ammeter A meter that is intended to display current cell Single unit battery
amp An abbreviation for ampere center tap A connection to the center of a coil or resistive
amperage The number of amps flowing through a circuit element
ampere A measure of electrical current ceramic insulator A nonconductive component made from
amp-hour Amps per hour a high-fired material
amplifier A device for proportionately increasing an channel One path within a multipath circuit
electrical signal charge The electrical state of a conductor
analog Continuously variable signal choke term for an inductor
anode Positive electrode circuit Term for an electrical assembly
antenna A wire or frame intended to pick up or transmit circuit breaker A reusable device that is intended to
electrostatic signals automatically protect a circuit form over-current
arc A high-energy discharge between two conductors conditions
armature The moving element in an electromechnical CB Abbreviation for Citizens Band radio
device coaxial A configuration where one conductor surrounds
armored cable Two or more wires within a protective another
jacket coil A continuous length of wire wound in a circular pattern
ASCII Abbreviation for American Standard Code for coil form A piece that is intended to aid in winding and
Information Interchange maintaining a coil
attenuator A device for reducing an electrical signal cold cathode An electron emitter that does not require
AWG Abbreviation for American wire gauge heat
collector A conductor that is specifically designed to collect
B electrons
batt Abbreviation for battery component Any single or grouped piece of an assembly
battery A device for storing DC electrical energy condenser Term for capacitor
bell An alarm which used a resonating metal element conductivity The efficiency of a conductor to transmit an
bias A electrical or magnetic reference signal electrical signal without resistive loss
bimetal strip Two different types of metal fixed together contact Two conductors forced together for the propose of
for the sole purpose of distorting in reference to temperature an electrical connection
change continuity To describe a continuous electrical path
binding post A nut an bolt arrangement for connecting control transformer A transformer that is intended to
wires provide a lower control voltage, usually 120 volts
black box Used to describe a complex component that is collector A components that receives electron flow
intended to be replaced rather than repaired corona A visible leakage of electrons into the surrounding
break down The voltage at which the insulation fails gas
breaker points A set of mechanical contacts crimp To make an electrical connection by the defamation
bridge rectifier A series of diodes arranged so that AC is of a metal
converted into DC cross talk The leakage of an electrical signal into an
brush A device that is intended to transmit an electrical adjacent circuit
signal from a moving element to a nonmoving element current Amperage

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