Programable DC Electronic Load User Manual
5
Safety symbols
Direct current
Alternating current
Direct and alternating
current
Three phase
AC
Grounding
Protective grounding
Signal
grounding
Danger
Warning
Neutral wire
or central wire
Live wire
On (Power)
Off (Power)
Backup power
Ground Terminal for
Chassis
Environment-Friendly Use Period (EFUP)
Waste Electrical and Electronic Equipment (WEEE) Instruction 2002/96/EC
This product contains certain hazardous substances and
can be used safely during its environmental-friendly use
period (EFUP) of 40 years, as shown in the symbol on the
left. If the specified time is exceeded, the product should
be recovered.
Do not dispose the product and its accessories in trash bin.