IDEAL 61-737 Operation And Safety Manual page 6

Symbols & Descriptions
SYMBOL
Arc Flash and Shock Hazard
Shock Hazard
Warning or Caution
Choking Hazard
AC (Alternating Current)
DC (Direct Current)
Low Battery Indicator
Earth Ground
400 A Maximum Current Specification
CAT III IEC Measurement Category III
CAT III has protection against transients in equipment in fixed-
equipment installations such as distribution panels feeders,
and short branch circuits. Also included are lighting systems in
larger buildings.
NCV
Non-Contact Voltage Sensing
Non-Contact Voltage Sensing Point
NCV
A
Amperage AC
Hz
Frequency measured via the clamp head
V
Voltage AC or DC
Hz%
Frequency displayed as % measured with AC Voltage
DESCRIPTION
NO
of
LO
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