Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 198

5 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
washer.
Figure 150: Connecting the Ground Wire
b Slide the spade terminal of the ground wire under the captive square washer.
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Installing Your Extreme Networks Switch
198