Product Manual

3. Installation 8-2018
32 A056K730 (Issue 4)Copyright © 2018 Cummins Inc.
No. Description No. Description
1 TB4 3 Socket
2 Utility Sense Relay 4 Control Relay
FIGURE 21. CONTROL WIRING CONNECTIONS
3.2.2.2 Connecting the Transfer Switch to the Generator
WARNING
AC voltages and currents present an electrical shock hazard that can cause severe personal
injury or death. Disconnect the AC power source.
Make sure the generator set is not running and cannot be started. Disconnect the batteries and make sure
the generator set's control is in the Off position.
Consult the generator manual and the Transfer Switch Interconnect Diagram (Appendix B) for required
electrical connections to the generator control.
TABLE 6. MAXIMUM WIRE LENGTH BY WIRE SIZE
Wire Size (AWG) Distance in Feet (One Way)
16 125
14 200
12 300
10 500