OM-474 Page 46
10-10.Typical Connections To Supply Standby Power
S-0405-A
1 Power Company Service
Meter
2 Main and Branch Overcurrent
Protection
3 Double-Pole, Double-Throw
Transfer Switch
Obtain and install correct switch.
Switch rating must be same as or
greater than the branch overcurrent
protection.
4 Circuit Breakers or Fused
Disconnect Switch
Obtain and install correct circuit
breakers or switch.
5 Extension Cord
Select as shown in Section 10-11.
6 Generator Connections
Connect terminals or plug of ade-
quate amperage capacity to cord.
Follow all applicable codes and
safety practices.
Turn off or unplug all equipment
connected to generator before
starting or stopping engine. When
starting or stopping, t h e e ngine has
low speed which causes low volt-
age and frequency.
7 Load Connections
Customer-supplied equipment is required if
generator is to supply standby power during
emergencies or power outages.
120/240 Volt
60 Hz
Three-Wire
Service
240 V
120 V
120 V
Neutral
240 V
120 V
120 V
120/240 Volt
Single-Phase
Three-Wire
Generator Output
Connection Ground
F1
or
CB
240 V
120 V
120 V
Load
1
23
6
74
5
Item 4 is not necessary if circuit
protection is already present in
welding generator auxiliary
power output circuit.