Electrical Metallic Conduit
Intermediate Metal Conduit
Rigid Steel Conduit
Dimensions of Threads
UL 360
EF- Interlocked
EFF
Greenfield
Interlocked
Square - Lock
Connectors
ไทย
Intermediate Metal Conduit
American Standard Intermediate Metal Conduit
Trade
Size
(in.)
Outside Diameter
Length without
Coupling (mm.)
Wall
Thickess
(mm)
Minimum Weight
of 10 Unit Lengths
with Coupling, (kgs.)
Nominal (mm.)
Minimum (mm.)
Maximum (mm.)
1/2"
20.7
20.6
20.8
3030
1.79
25.4
3/4"
26.1
26.0
26.3
3030
1.90
34.6
1"
32.8
32.6
32.9
3025
2.16
49.9
1 1/4"
41.6
41.4
41.9
3025
2.16
64.3
1 1/2"
47.8
47.6
48.0
3025
2.29
79.1
2"
59.9
59.7
60.1
3025
2.41
105.2
2 1/2"
72.6
72.3
72.8
3010
3.56
186.2
3"
88.3
88.0
88.5
3010
3.56
229.0
3 1/2"
100.9
100.6
101.1
3005
3.56
263.0
4"
113.4
113.2
113.7
3005
3.56
296.1
TOLERANCE :
Outside Diameter
± 0.2 mm (For 1/2" - 1")
± 0.3 mm (For 1 1/4" - 2")
± 0.4 mm (For 2 1/2" - 4")
Wall Thickness
± 0.2 mm (For 1/2" - 2")
± 0.3 mm (For 2 1/2" - 4")
Length
± 6.4 mm