General Notes
49
No.
Safety
symbol
Approved
standards
Description
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.
