Symbols - Ideal 61-557 Manual Del Usuario

Symbols & Descriptions
SYMBOL
CAT III
CAT IV
NCV
NCV
V
Arc Flash and Shock Hazard
Shock Hazard
Warning or Caution
Choking Hazard
AC (Alternating Current)
DC (Direct Current)
Battery Level Indicator
Earth Ground
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.
IEC Measurement Category IV
CAT IV has protection against transients from the primary
supply level such as a Meter or overhead or underground utility
service.
Non-Contact Voltage Sensing
Non-Contact Voltage Sensing Point
Voltage AC or DC
DESCRIPTION
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