Generac Power Systems Magnum Series Operating Manual page 33

IMPROPER OR INCORRECT CONNECTIONS TO A BUILDING'S ELECTRICAL SYSTEM
CAN CAUSE POTENTIALLY LETHAL VOLTAGE TO BACKFEED INTO UTILITY LINES.
THIS MAY RESULT IN INJURY OR ELECTROCUTION TO UTILITY WORKERS NEARBY.
MAKE SURE THE GENERATOR IS SUPPLYING POWER TO AN ISOLATED OBJECT
OR BUILDING THAT IS NOT CONNECTED TO ANY UTILITY LINES.
Connections should be made by plugging power cables equipped with series 16 taper nose 400A/600V cam lock
plugs into the cam lock receptacles. Secure the connection by rotating the plug a 1/2 turn to the right.
NEVER attempt to disable or modify the lug door safety switches. Equipment damage,
A ground connection is located on the far right of the cam lock panel. The unit MUST be connected to a good earthen
ground for proper operating safety. The generator neutral is bonded to ground when it is shipped from the factory.
The bonding plate will need to be removed when the generator is used as a standby power source. INSTALLATION
SHOULD BE IN COMPLIANCE WITH THE NATIONAL ELECTRICAL CODE (NEC), STATE AND LOCAL
REGULATIONS.
Some units are equipped with two sets of cam lock connections. Make sure all
connections to the cam lock receptacles are made to one side only, below each
corresponding breaker. i.e. DO NOT attach L1, L2 and L3 to the left side and Neutral
33722 D
DANGER
L1 Black
L2 Red
L3 Blue
N (Neutral) White
G (Ground) Green
Figure 3-5. Cam Lock Connections
WARNING
personal injury or death may result.
WARNING
and Ground to the right side.
MMG130DI4/175DI4/205DI4 Operating Manual
CAM LOCK PANEL
00451
Operation
27