Cut Sheet

Compression Type — For use with Threadless Rigid Metal Conduit – Flat Back Design
Hub Size (Inches) LB LRL * T
1/2 LB50N-M LRL50N-M T50N-M
3/4 LB75N-M LRL75N-M T75N-M
1 LB100N-M LRL100N-M T100N-M
Wiring Capacity: Combine Body and Cover Capacities for Total Usable Capacity per NEC 314.16(A)
Hub Size
(Inches)
Capacity (in
3
/dm
3
)
C E LB LL & LR LRL T TA TB X
Stamped
Cover
Cast
Cover
1/2
4.50/
0.07
4.50/
0.07
4.50/
0.07
4.50/
0.07
5.00/
0.08
6.00/
0.10
4.30/
0.07
4.30/
0.07
6.00/
0.10
0.50/
0.01
0.00/
0.00
3/4
7.50/
0.12
7.50/
0.12
7.50/
0.12
7.50/
0.12
8.80/
0.14
9.50/
0.16
7.00/
0.11
7.00/
0.11
9.50/
0.16
0.80/
0.01
0.30/
0.00
1
12.50/
0.20
12.50/
0.20
12.50/
0.20
12.50/
0.20
14.30/
0.23
15.00/
0.25
15.00/
0.25
13.00/
0.21
15.00/
0.25
1.00/
25.4
0.50/
0.01
1-1/4
35.00/
0.57
29.30/
0.48
32.30/
0.53
32.00/
0.52
34.80/
0.57
33.00/
0.54
—
35.00/
0.57
31.50/
0.52
2.50/
0.04
0.80/
0.01
1-1/2
35.30/
0.58
32.50/
0.53
35.30/
0.58
35.30/
0.58
40.00/
0.66
36.00/
0.59
—
35.30/
0.58
40.00/
0.66
2.50/
0.04
0.80/
0.01
2
75.00/
1.23
—
73.00/
1.20
73.00/
1.20
85.00/
1.39
71.00/
1.16
—
71.00/
1.16
71.00/
1.16
6.50/
0.11
1.00/
0.02
2-1/2
143.00/
2.34
—
139.00/
2.28
140.50/
2.30
—
146.00/
2.39
— — —
18.00/
0.29
30.00/
0.49
3
180.00/
2.95
—
177.00/
2.90
175.00/
2.87
—
185.00/
3.03
— — —
18.00/
0.29
30.00/
0.49
3-1/2
303.00/
4.97
—
300.00/
4.92
300.00/
4.92
—
314.00/
5.15
— — — —
50.00/
0.82
4
340.00/
5.57
—
330.00/
5.41
330.00/
5.41
—
345.00/
5.65
— — — —
50.00/
0.82
5 — —
756.00/
12.39
— — — — — — — —
6 — —
1328.00/
21.76
— — — — — — — —
* LRL Unilets have double opening and are furnished with one steel cover, assembled.
Fittings
Fittings: Conduit Bodies
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© September 2010
23
Form 35
®
Malleable Iron Unilet
®
Conduit Outlet Bodies and Wiring Capacity
Compression Type for use with Threadless Rigid Metal Conduit.