2-15. Connecting Input Power

= GND/PE Earth Ground

1

7

When making connections in the line disconnect device,

9

8

3

4

connect the Green Or Green/Yellow conductor first.

Install conductors into a deenergized line disconnect device.

Make connections

IMPORTANT

.Tighten nuts to 65 in lb +/- 5 in lb.

L1 (U)

6

 

to machine first and supply last.

Tools Needed:

3/8 in, 1/2 in

2L2 (V)

L3 (W)

3

L1 L2 L3

3/8 in, 1/2 in

5

GND/ PE Connect Green Or Green/Yellow

GND/PE Conductor First.

YDisconnect and lockout/tagout input power before connecting input con- ductors from unit.

YHave only qualified persons make this installation.

See rating label on unit and check input volt- age available at site.

1Line Disconnect Device

2Input Conductors

3Grounding Conductor

Select size and length using Section 2-13. Conductors must comply with national, state, and local electrical codes. Use lugs of proper amperage capacity and correct hole size.

4 Strain Relief

Route conductors through strain relief.

5Machine Grounding Terminal

6Line Terminals

YMake input power connections to the welding power source before making connections into a deenergized line disconnect device.

Connect green or green/yellow grounding con- ductor to machine grounding terminal first. Then connect input conductors to line termi- nals.

Close access door.

7Disconnect Device (Supply) Grounding Terminal

8Disconnect Device Line Terminals

YIn the deenergized line disconnect de- vice, connect green or green/yellow grounding conductor to supply grounding terminal first, never to a line terminal. Be sure grounding conductor goes to an earth ground.

Connect input conductors to line terminals.

9 Overcurrent Protection

Select type and size using Section 2-13(fused disconnect switch shown).

Close door on line disconnect device.

ST-800 103-B / Ref. ST-801 116

OM-259 Page 19

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Miller Electric CP-302, CP-252TS manual Connecting Input Power, = GND/PE Earth Ground

CP-302, CP-252TS specifications

The Miller Electric CP-252TS and CP-302 are advanced power sources designed to meet the demands of both the industrial and manufacturing sectors. Known for their reliability and performance, these models are ideal for a variety of welding applications, including MIG, TIG, and stick welding.

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