No. Symbol Approved Standards Description
11 IEC60417 Positioning of cell
No.5002 To identify the battery holder itself and to
identify the positioning of the cell(s)
inside the battery holder.
12 — Positioning of cell
To identify the battery holder itself and to
identify the positioning of the cell(s)
inside the battery holder.
13 IEC60417 Protective earth
No.5019 To identify any terminal which is intended
for connection to an external conductor
for protection against electric shock in
case of a fault, or the terminal of a
protective earth electrode.
14 IEC60417 Earth
No.5017 To identify an earth (ground) terminal in
cases where neither the symbol No.13 is
explicitly required.
15 IEC60417 Alternating current
No.5032 To indicate on the rating plate that the
equipment is suitable for alternating
current only; to identify relevant
terminals.
16 IEC60417 Direct current
No.5031 To indicate on the rating plate that the
equipment is suitable for direct current
only; to identify relevant terminals.
17 IEC60417 Class II equipment
No.5172 To identify equipment meeting the safety
requirements specified for Class II
equipment according to IEC 61140.
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