B-42
Cisco IE 3000 Switch Hardware Installation Guide
Appendix B Installation In a Hazardous Environment
Connecting Power and Alarm Circuits
Step 4 Use a ratcheting torque flathead screwdriver to torque the power and relay connector captive screw
(above the installed wire leads) to 2.2 in-lb (0.25 Nm). See Figure B-29 for details.
Caution Do not over-torque the power and relay connector captive screws. The torque should not exceed 2.2 in-lb
(0.25 Nm).
Figure B-29 Torquing the Power and Relay Connector Captive Screws
Step 5
Repeat Step 1 through Step 4 to insert the input and output wires of an additional external alarm device
into the second power and relay connector.