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List of Safety Symbols (corresponding to IEC60950-1 A2)
The following table lists the meaning of the safety symbols labeled on the
No. Symbol mark Approved Description
equipment.
standards
I
— The same as No.8.
No. Symbol mark Approved Description
standards
J
IEC60417 Battery, general
A
IEC60417 "ON" (power)
No.5001B On battery powered equipment. To
No.5007 To indicate connection to the mains.
identify a device for instance a cover
for the battery compartment, or the
connector terminals.
B
IEC60417 "OFF" (power)
K
IEC60417 Positioning of cell
No.5008 To indicate disconnection from the
No.5002 To identify the battery holder itself
mains.
and to identify the positioning of the
cell(s) inside the battery holder.
C
IEC60417 Stand-by
L
— The same as No.11.
No.5009 To identify the switch or switch
position by means of which part of the
equipment is switched on in order to
M
IEC60417 Protective earth
bring it into the stand-by condition.
No.5019 To identify any terminal which is
D
ISO7000 Caution
intended for connection to an external
No.0434B, To identify general caution when
conductor for protection against
using the product.
IEC3864-B3.1
electric shock in case of a fault, or the
terminal of a protective earth
E
IEC60417 Caution, hot surface
electrode.
No.5041 To indicate that the marked item can
N
IEC60417 Earth
be hot and should not be touched
No.5017 To identify an earth (ground) terminal
without taking care.
in cases where neither the symbol
F
IEC60417 Caution, risk of electric shock
No.13 is explicitly required.
No.6042 To identify equipment that has risk of
O
IEC60417 Alternating current
electric shock.
ISO3864-B3.6
No.5032 To indicate on the rating plate that the
equipment is suitable for alternating
G
IEC60417 For indoor use only
current only; to identify relevant
No.5957 To identify electrical equipment
terminals.
designed primarily for indoor use.
P
IEC60417 Direct current
H
IEC60417 Polarity of d.c. power connector
No.5031 To indicate on the rating plate that the
equipment is suitable for direct
No.5926 To identify the positive and negative
current only; to identify relevant
connections (the polarity) on a piece
terminals.
of equipment to which a d.c. power
supply may be connected.