Graphical symbols for use on equipment
and their descriptions
Symbol Explanation Symbol Explanation
Alternating current (A.C.) Class P equipment
(equipment in which
protection against electric
shock relies on Double
Insulation or Reinforced
Insulation)
Direct current (D.C.) “ON” (power)
Protective earth “OFF” (power)
Protective bonding earth Stand-by (power)
Caution, risk caused by
v
isible radiation
“ON”/“OFF” (power;
p
ush-push)
For indoor use only Caution, risk of electric
shock
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3
Introduction
TGU43x(en)_Basic OI_1227_ver025.pdf 3 2023/12/27 9:42:53