Power Wiring Interconnections
All wiring must be the proper size, properly supported and protected by conduit.
Complete the following connections between the transfer switch, main distribution panel, utility power and generator, as shown in Figures 3 and 4.
WARNING
Low voltage wire cannot be installed in same conduit as power voltage wiring.
•Failure to follow above warning could cause personal injury, damage and/or malfunction of equipment.
1.Ensure utility power is turned OFF. Connect utility feeder conductors to transfer switch terminals marked
“UTILITY CONNNECTION”.
2.Connect utility Neutral conductor to the transfer switch “NEUTRAL” terminal.
3.Connect main breaker panel feeder conductors to transfer switch terminals marked “LOAD
CONNECTION”.
4.Connect main breaker panel Neutral conductor to transfer switch “NEUTRAL” terminal.
5.Connect main breaker panel Ground conductor to the transfer switch “GND” terminal.
NOTE: Assure grounding electrode conductor is connected and bonded per applicable federal, state and local codes, standards and regulations.
6.Connect generator feeder conductors from the generator control panel to transfer switch terminals marked “GENERATOR CONNECTION” Each conductor should pass through hole of current transformer before making connection.
7.Plug in current transformer leads into “CT1” and “CT2” on control module.
| To Utility Meter |
| Load |
Utility | Connection |
Connection |
|
| Supervisory |
| Contacts |
Generator |
|
Connection |
|
| Neutral |
| Terminal |
Ground Lug |
|
| Main Breaker Panel |
| Neutral |
| Bus |
CT2 | Main |
| |
CT1 | Ground Bus |
| |
| To Generator |
Figure 4 - Typical Installation Diagram for Model 071020 and 071021 Transfer Switches
6 | BRIGGSandSTRATTON.COM |
