Briggs & Stratton 50A NEMA 3R - Manual (Page 8)

INSTALLATION
8
Figure 3 — A Typical Installation Diagram for Transfer Switch
Main Distribution Panel
Ground Bus
Neutral
Bus
To Generator
Generator
Connection
Utility
Connection
Neutral
Bus
Power Wiring Interconnections
All wiring must be the proper size, properly supported, of
approved insulation qualities, and protected by NEC
approved conduit.
Complete the following connections between the
generator, transfer switch and main distribution panel
(Figure 3).
1. Connect utility power supply leads from two pole
breaker installed in main distribution panel to transfer
switch two pole breaker marked “UTILITY SUPPLY”. A
50 Amp circuit breaker is provided. Ensure breaker is
turned OFF.
2. Connect main distribution panel ground to transfer
switch “GND” bus.
3. Connect main distribution panel neutral lead to
transfer switch “NEUTRAL” terminal.
4. Connect generator power supply leads from
generator’s control panel to transfer switch two pole
breaker marked “GENERATOR SUPPLY”.
5. Connect generator “GND” from control panel to
transfer switch “GND” terminal.
6. Connect generator Neutral from control panel to
transfer switch “NEUTRAL” terminal.
7. Tighten all wire connections/fasteners to proper
torque.