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3. Move the voltage selector to the desired position. Move the switch to the left to use the

standard 120 Volt receptacles. Move the switch to the right to use the 240/120 Volt NEMA

receptacle.

4. The power indicator lights will light accordingly as the Volt Selector is selected. They light up

when the receptacles receive power. In the case of the 240/120 Volt receptacle, both lights

MUST light up for 240/120 Volts of power. If only one light comes on, DO NOT USE the

receptacle. Press the circuit reset buttons and see if both lights come on. If both lights will still

not illuminate, call the customer service number for instructions.

CAUTION: Do not connect 50Hz or 3-phase loads to the generator.

120V/240V

Receptacle (L14-30)

120V Duplex

Receptacle

Figure 9- Receptacles available on the generator

CIRCUIT RESET BUTTONS

The circuit reset buttons help to prevent the generator from electrical overload. If your receptacle

short circuits or becomes overloaded by an electrical device or devices with too great a wattage

rating, the circuit protector may shut off power to the receptacle. If this happens, you will see the

voltage indicator light or lights turn off and you will not be able to draw power from the

overloaded receptacle. In the event of such an overload, disconnect all electrical devices from the

generator and press the circuit reset buttons. If power still does not return to the receptacle, call

our customer service line.

SOME NOTES ABOUT POWER CORDS

Long or thin cords can drain the power provided to an electrical device by the generator. When

using such cords, allow for a slightly higher rated wattage requirement by the electrical device.

See Figure 10 for recommended cords based on the power requirement of the electrical device.

Device Requirements Max. Cord Length (ft) by Wire Gauge

Amps Watts (120V) Watts (240 V) #8 wire #10 wire #12 wire #14 wire #16 wire

2.5 300 600 NR 1000 600 375 250

5 600 1200 NR 500 300 200 125

7.5 900 1800 NR 350 200 125 100

10 1200 2400 NR 250 150 100 50

15 1800 3600 NR 150 100 65 NR

20 2400 4800 175 125 75 50 NR

25 3000 6000 150 100 60 NR NR

30 3600 7200 125 65 NR NR NR

40 4800 9600 90 NR NR NR NR

*NR= not recommended

Figure 10- Maximum Extension Cord Lengths by Power Requirement

Wen 4050 User Manual

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