12-11. Selecting Extension Cord (Use Shortest Cord Possible)

Cord Lengths for 120 Volt Loads

YIf unit does not have GFCI receptacles, use GFCI-protected extension cord.

 

 

 

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

 

Current

 

 

 

 

 

 

 

 

 

 

 

Load (Watts)

4

 

 

6

 

8

10

12

 

14

(Amperes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

600

 

 

 

 

350

(106)

225 (68)

137 (42)

 

100 (30)

 

 

 

 

 

 

 

 

 

 

 

7

840

 

 

400

(122)

250 (76)

150 (46)

100 (30)

 

62 (19)

 

 

 

 

 

 

 

 

 

 

10

1200

400 (122)

 

275 (84)

175 (53)

112 (34)

62 (19)

 

50 (15)

 

 

 

 

 

 

 

 

 

 

15

1800

300 (91)

 

175 (53)

112 (34)

75 (23)

37 (11)

 

30 (9)

 

 

 

 

 

 

 

 

 

 

 

20

2400

225 (68)

 

137 (42)

87

(26)

50 (15)

30 (9)

 

 

 

 

 

 

 

 

 

 

 

 

 

25

3000

175 (53)

 

112 (34)

62

(19)

37 (11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

3600

150 (46)

 

87

(26)

50

(15)

37 (11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

4200

125 (38)

 

75

(23)

50

(15)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

4800

112 (34)

 

62

(19)

37 (11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

5400

100 (30)

 

62

(19)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

6000

87 (26)

 

50

(15)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Conductor size is based on maximum 2% voltage drop

Cord Lengths for 240 Volt Loads

YIf unit does not have GFCI receptacles, use GFCI-protected extension cord.

 

 

 

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

 

Current

 

 

 

 

 

 

 

 

 

 

Load (Watts)

4

 

6

 

8

10

12

 

14

(Amperes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

1200

 

 

 

700

(213)

450 (137)

225 (84)

 

200 (61)

 

 

 

 

 

 

 

 

 

 

 

7

1680

 

 

800 (244)

500

(152)

300 (91)

200 (61)

 

125 (38)

 

 

 

 

 

 

 

 

 

 

 

10

2400

800 (244)

 

550 (168)

350

(107)

225 (69)

125 (38)

 

100 (31)

 

 

 

 

 

 

 

 

 

 

15

3600

600 (183)

 

350 (107)

225 (69)

150 (46)

75 (23)

 

60 (18)

 

 

 

 

 

 

 

 

 

 

20

4800

450 (137)

 

275 (84)

175 (53)

100 (31)

60 (18)

 

 

 

 

 

 

 

 

 

 

 

 

25

6000

350 (107)

 

225 (69)

125 (38)

75 (23)

 

 

 

 

 

 

 

 

 

 

 

 

 

30

7000

300 (91)

 

175 (53)

100 (31)

75 (23)

 

 

 

 

 

 

 

 

 

 

 

 

 

35

8400

250 (76)

 

150 (46)

100 (31)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

9600

225 (69)

 

125 (38)

75

(23)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

10,800

200 (61)

 

125 (38)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

12,000

175 (53)

 

100 (31)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Conductor size is based on maximum 2% voltage drop

OM-4421 Page 63

Page 69
Image 69
Miller Electric Big Blue 400P manual Selecting Extension Cord Use Shortest Cord Possible, Current Load Watts Amperes

Big Blue 500 X, Big Blue 400P specifications

Miller Electric has long been a trusted name in the welding industry, and their generators, particularly the Big Blue 400P and Big Blue 500 X, stand out for their performance, reliability, and innovative technologies. These portable diesel welding generators cater to a wide range of applications, from construction sites to industrial fabrication.

The Big Blue 400P is designed for heavy-duty utilization, offering a powerful output of 400 amps at a duty cycle of 60%. It features a dependable Kohler engine that not only provides ample power but also contributes to its efficient fuel consumption, making it an economical choice for extended work sessions. The Big Blue 400P comes equipped with Auto-Stop technology, which automatically turns off the machine when not in use, conserving fuel and extending engine life. This feature showcases Miller's commitment to user-friendly designs that enhance both efficiency and sustainability.

On the other hand, the Big Blue 500 X takes performance up a notch with an impressive 500 amps output and a 60% duty cycle. It is powered by a high-efficiency Yanmar engine that ensures top-notch performance even in the most demanding conditions. This generator is equipped with Miller's X-CASE design, which features a rugged weather-resistant enclosure that protects internal components from harsh environmental conditions, ensuring durability and extended lifespan.

Both machines integrate advanced technologies such as Smart Tech, which optimizes the generator's output based on the specific demands of the welding process. This technology helps maintain a stable arc, enhancing welding quality and consistency. Additionally, both models feature the Auto Remote Start, allowing for quick operations without manual intervention, further advancing ease of use.

The versatility of the Big Blue 400P and 500 X is evident in their ability to perform a variety of welding processes, including Stick, MIG, and TIG. They are equipped with multiple outputs, allowing simultaneous powering of tools and auxiliary equipment, making them indispensable for professionals who need adaptability on the job.

Overall, the Miller Electric Big Blue 400P and 500 X embody the quality, performance, and innovative technologies that Miller Electric is known for. Their robust capabilities, coupled with user-friendly features, make these generators ideal for demanding applications in various industries, ensuring that welders can achieve excellent results, no matter the challenges faced on site.