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General NotesGeneral Notes
List of Safety Symbols
The following table lists the meaning of the safety symbols labeled on the equipment.
No. Symbol mark Approved standards Meaning
A
IEC60417
No. 5007
"ON" (power)
To indicate connection to the mains.
B
IEC60417
No. 5008
"OFF" (power)
To indicate disconnection from the mains.
C
IEC60417
No. 5009
Stand-by
To identify the switch or switch position by means of which part of the equipment is switched on in order to
bring it into the stand-by condition.
D
ISO7000
No. 0434B
IEC3864-B3.1
Caution
To identify general caution when using the product.
E
IEC60417
No. 6042
ISO3864-B3.6
Caution, risk of electric shock
To identify equipment that has risk of electric shock.
F
IEC60417
No. 5957
For indoor use only
To identify electrical equipment designed primarily for indoor use.
G
IEC60417
No. 5926
Polarity of d.c. power connector
To identify the positive and negative connections (the polarity) on a piece of equipment to which a d.c. power
supply may be connected.
H
IEC60417
No. 5017
Earth
To identify an earth (ground) terminal.
I
IEC60417
No. 5032
Alternating current
To indicate on the rating plate that the equipment is suitable for alternating current only; to identify relevant
terminals.
J
IEC60417
No. 5031
Direct current
To indicate on the rating plate that the equipment is suitable for direct current only; to identify relevant
terminals.
K
IEC60417
No. 5172
Class II equipment
To identify equipment meeting the safety requirements specified for Class II equipment according to IEC
61140.
L
ISO 3864 General prohibition
To identify actions or operations that are prohibited.
M
ISO 3864 Contact prohibition
To indicate injury that could occur due to touching a specific part of the equipment.
N
IEC60417
No. 5266
Standby, partial standby
To indicate that part of the equipment is in the ready status.