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.
Ohm; unit of resistance.
® Trade Mark.
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. Astandard unit for measuring wire cross-sectional area.
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.
BYPASS mode Load is powered by the bypass input line through the static switch.
CB Circuit breaker.
DC or dc Direct current, or voltage.
Earth ground Aground circuit that has contact with the earth.
GND Electrical ground.
Hz Hertz, frequency measurement unit, 1Hz is one cycle per second.
I Current.
In Nominal current.
IEC International Electrotechnical Commission.
Glossary G — 186-174010-00 B00