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Graphical symbols for use on equipment and their
descriptions
Symbol
Helpline Tel. No.: U.K. 0330 3331112 Ireland 01 4475228
HNS104EX_(en_en)_0111_ver.305.pdf
Explanation
Alternating current (A.C.)
Direct current (D.C.)
Protective earth
Protective bonding earth
Functional earth
For indoor use only
21
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
Appendix
21
2017/01/11
18:33:55
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