Hobart Welding Products OM-487 manual Typical Connections To Supply Standby Power

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
			Obtain and install correct switch.
. Customer-supplied equipment is required if			Switch rating must be same as or
			greater than the branch overcurrent
generator is to supply standby power during			protection.
emergencies or power outages.			4 Circuit Breakers or Fused
1				Disconnect Switch
	240 V		Obtain and install correct switch.
			5	Extension Cord
120/240 Volt	120 V		Select as shown in Section 10-11.
60 Hz			6	Generator Connections
Three-Wire
	120 V		Connect terminals or plug of ade-
Service
			quate amperage capacity to cord.
	Neutral		Follow all		applicable codes and
2			safety practices.
		3	Turn off or unplug all equipment
	240 V		connected		to generator before
			starting or stopping engine. When
			starting or stopping, the engine has
			low speed which causes low volt-
Load	120 V		age and frequency.
	120 V		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-487 Page 46