TP-5592 7/96 Installation 6-17
Electrical Systems
AC Voltage Connections
WARNING
Hazardous voltage.
Moving rotor.
Can cause severe injury or death.
Operate generator set only with all guards and
electrical enclosures in place.
Electrical backfeed to utility. Hazardous backfeed
voltage can cause severe injury or death. Connect
generator set to building/marina electrical system only
through an approved device and after building/marina
main switch is open. Backfeed connections can cause
serious injury or death to utility personnel working on
power lines and/or personnel in the vicinity of the work
area. Unauthorized connection to utility electrical
systemmaybeunlawfulinsomestatesand/orlocalities.
Install a ship-to-shore transfer switch to prevent
interconnection of generator set power and shore
power.
Make AC connections to generator set inside the
controller box. Typically, the generator set isconnected
toaship-to-shoretransferswitchwhichallowstheuseof
shore/utility power when docked or generator set power
when docked or at sea. The wiring is then connected to
a main circuit breaker box (panel board) which
distributes branch circuits throughout the craft. See
Figure 6-17 for AC voltage connections to generator
set. See Section 5—Wiring Diagrams for reconnection
of generator set.
1
2
3
4
5
6
1. Line side
2. AC circuit breaker
3. Load side
4. L1/L2 phase (black) leads
5. GRD. ground (green) lead
6. L0 neutral (white) lead
Figure 6-17. AC Voltage Connections in
Controller Box
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