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Symbols 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 tempera-
ture of one pound of water by 1°F.
BYPASS See “Static Transfer switch”.
BYPASS mode See “off-line mode”.
Carrier The company or individual responsible for delivering goods from one location to another.
C Common.
CB Circuit breaker.
cm Centimeter.
dB Decibels.
DC Direct current.
Conduit A flexible or rigid tube enclosing electrical conductors.
C.S.S. Customer Support Service.
Installation and User Manual
Glossary
Glossary
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