11
Figure 12 Connecting the grounding cable to a grounding strip
Grounding the switch through an AC power cord
CAUTION:
•
Make sure the AC power supply uses a three-wire cable with a protection wire, and the AC power
cord is reliably grounded at the power distribution room or AC power supply transformer side.
•
Make sure the AC receptacle on the switch is correctly connected to the AC power supply.
If the switch is AC powered and no grounding strip is available at the installation site, you can ground
the switch through an AC power cord, as shown in
.
Figure 13 Grounding the switch through an AC power cord
