Hobart Welding Products OM-498 Power Company Service, Obtain and install correct switch, 120

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

S-0405-A

OM-498 Page 39