Chapter 4 Installation in a Hazardous Environment
Verifying Switch Operation
4-24
Catalyst 2955 Hardware Installation Guide
78-14944-03
Figure 4-7 Inserting Wires in the Power and Relay Connector
Step 6
Use a ratcheting torque flathead screwdriver to torque the power and relay
connector captive screws (above the installed wire leads) to 4.5 in-lbs. (72
ozf-in.). (See Figure 4-8.)
Caution Do not overtorque the power and relay connector captive screws. The
recommended maximum torque is 4.5 in-lbs.
1 Power supply A positive
connection
5 External device 2, relay wire B
connection
2 Power supply A return
connection
6 External device 1, relay wire B
connection
3 External device 1, relay wire A
connection
7 Power supply B return
connection
4 External device 2, relay wire A
connection
8 Power supply B positive
connection
97485
RT
A1
A2
VB
VA
A1
A2
RT
1
2
3
4
5
6
7
8
