8-3. Correct Installation
| Weld Zone |
50 ft |
|
(15 m) | 50 ft |
| (15 m) |
| 4 |
6
5
1
2
7
3
7 | Ground All |
|
| Metal Objects |
|
| And All Wiring |
|
| In Welding Zone |
|
| Using #12 AWG | Ground |
| Wire | |
| Workpiece | |
|
| |
|
| If Required |
| Nonmetal | By Codes |
|
| |
| Building |
|
7
10
9
8
7
Metal Building
Ref.
1HF Source (Welder With
Ground metal machine case, work output terminal, line disconnect device, input supply, and worktable.
2 Welding Zone And Centerpoint
A circle 50 ft (15 m) from centerpoint between HF source and welding torch in all directions.
3 Weld Output Cables
Keep cables short and close together.
4 Conduit Joint Bonding And Grounding
Electrically join (bond) all conduit sections using copper straps or braided wire. Ground conduit every 50 ft (15 m).
5 Water Pipes And Fixtures
Ground water pipes every 50 ft (15 m).
6 External Power Or Telephone Lines
Locate HF source at least 50 ft (15 m) away from power and phone lines.
7 Grounding Rod
Consult the National Electrical Code for specifications.
8 Metal Building Panel Bonding Methods
Bolt or weld building panels together, install copper straps or braided wire across seams, and ground frame.
9 Windows And Doorways
Cover all windows and doorways with grounded copper screen of not more than 1/4 in (6.4 mm) mesh.
10Overhead Door Track Ground the track.
Syncrowave 250 |