. A complete Parts List is available at www.MillerWelds.com

7-3. Wiring Instructions For Optional 240 Volt, Single-Phase Plug (NEMA 14-50P)

Current Available in Amperes

240 V

 

Each 120 V Duplex

 

Receptacle*

 

Receptacle

 

 

 

 

20

 

0

 

15

 

5

 

10

 

10

 

5

 

15

 

0

 

20

 

 

V x A = Watts

*One 240 V load or two 120 V loads.

 

 

The plug can be wired for a 240 V,

 

 

2-wire load or a 120/240V, 3-wire

 

 

load. See circuit diagram.

 

 

1 Plug Wired for 120/240 V,

7

 

 

3-Wire Load

 

 

When wired for 120 V loads, each

 

 

duplex receptacle shares a load

 

 

with one half of 240 V receptacle.

 

 

2 Plug Wired for 240 V, 2-Wire

 

3

1

Load

 

 

 

3

Neutral (Silver) Terminal

 

 

4

 

4

Load 1 (Brass)Terminal

 

 

5 Load 2 (Brass) Terminal

 

 

6

Ground (Green) Terminal

 

 

7

Amperes Available using

120V

 

 

120/240 V Plug

 

5

 

120V

 

 

 

 

 

240V

 

6

Tools Needed:

 

 

 

 

 

 

 

2

 

 

 

3

 

 

4

 

 

240V

6 5

 

240 V AC

120 V AC

120 V AC

plug1 11/03 − 120 813-D

OM-4430 Page 32

Page 36
Image 36
Miller Electric 280 NT manual Current Available in Amperes, Receptacle