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 rely on Double
Insulation or Reinforced
Insulation.)
Direct current (D.C.) “ON” (power)
Protective earth “OFF” (power)
Protective bonding earth Stand-by (power)
Functional earth “ON”/“OFF” (power ;
push-push)
For indoor use only Caution, risk of electric
shock
4
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Introduction