Graphical symbols for use on equipment
and their descriptions
Symbol
Explanation
Alternating current (A.C.)
Direct current (D.C.)
Protective earth
Protective bonding earth
Functional earth
For indoor use only
Important Information
Symbol
Explanation
Class P equipment
(equipment in which
protection against electric
shock relies on Double
Insulation or Reinforced
Insulation)
"ON" (power)
"OFF" (power)
Stand-by (power)
"ON"/"OFF" (power;
push-push)
Caution, risk of electric
shock
3