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information source : Whippendell Electrical
|
|
|
a rough guide to
the
current
carrying
capacity of metric earth studs
|
|
|
CURRENT
in AMPS
|
STUD
SIZE
|
MATERIAL
|
0 -
10
|
M4
|
Brass
|
0 -
15
|
M5
|
Brass
|
16 -
40
|
M6
|
Brass
|
41 -
50
|
M8
|
Brass
|
51 -
75
|
M8
|
Copper
|
76 -
100
|
M10
|
Brass
|
101
- 150
|
M12
|
Brass
|
151
- 200
|
M12
|
Brass
|
201
- 250
|
M12
|
Copper
|
251
- 300
|
M16
|
Copper
|
301
- 400
|
M20
|
Copper
|
401
- 500
|
M20
|
Copper
|
501
- 600
|
M22
|
Copper
|
601
- 750
|
M24
|
Copper
|
|
| |
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