4 Connect the ground wire to the grounding point as follows:
a Loosen the screw enough to allow the spade terminal to slide underneath the captive square
).
b Slide the spade terminal of the ground wire under the captive square washer.
c Tighten the screw to 7 in
‑
lb (0.79 N m).
Figure 231: Securing the Ground Wire
5 Connect the other end of the wire to a known reliable earth ground point at your site.
6 Connect the switch to the DC power source. See the instructions in
Connecting DC Power Cables to a 550 W DC Power Supply
The DC power connection at your facility must be made by a qualified electrician.
Warning
Always make sure that the DC circuit is de-energized before connecting or disconnecting the
DC power cables on the 550 W DC power supply.
Caution
Provide proper connection and strain relief on the DC power cables in accordance with all
local and national electrical codes.
To connect the DC power cables to the 550 W DC power supply, follow these steps:
Replacing DC Power Supplies
ExtremeSwitching and Summit Switches: Hardware Installation Guide
291
