Glossary
Term used Definition/Meaning
@ At.
/ And/or.
+/- Plus or Minus.
≤ Equal to or less than.
# Number.
°C Degree Celsius.
°F Degree Fahrenheit.
Ø Phase angle.
Ω Ohm; unit of resistance.
® Trade Mark.
2nd Second.
AC or ac Alternating current, also implies root-mean-square (rms).
Ambient Temp. Temperature of surrounding air.
Ambient noise Acoustical noise of surrounding environment.
ANSI American National Standard Institute.
AWG American Wire Gauge.
Breaker Electrical circuit interrupter.
BTU or Btu British thermal unit. Defined as the amount of heat required to raise the temperature
of one pound of water by 1°F.
Carrier The company or individual responsible for delivering goods from one location to another.
C Common.
CB Circuit breaker.
cm Centimeter.
Conduit A flexible or rigid tube enclosing electrical conductors.
C.S.S. Customer Support Service.
Current rating The maximum current that a conductor or equipment can carry reliably without damage.
dBA Decibel Adjusted.
Glossary G — 186-86000-00 B00
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