TM 5-3895-363-13&P
15. OSHA TABLES
MINIMUM ELECTRICAL CLEARANCES
Voltage
Minimum Clearance
0 kV to 50 kV
10 feet
50 kV to 100 kV
12 feet
100 kV to 150 kV
14 feet
150 kV to 200 kV
16 feet
MINIMUM CABLE CAPACITIES
(WIRE ROPE – 6 x 19, 6 x 21 and 6 x 25)
Diameter
Breaking Strength in Tons
3/8"
6.10
6.56
7/16"
8.27
8.89
1/2"
10.70
11.50
9/16"
13.50
14.50
5/8"
16.70
17.90
3/4"
23.80
25.60
7/8"
32.20
34.60
1"
41.80
44.90
1-1/8"
52.60
56.50
1-1/4"
64.60
69.40
1-3/8"
77.70
83.50
1-1/2"
92.00
98.90
Improved Plow Steel
Extra Improved
Plow Steel
Fiber Core
Wire Rope Core
Wire Rope Core
– –
– –
13.3
16.8
20.6
29.4
39.8
51.7
65.0
79.9
96.0
114.0
SAFETY FACTORS: OSHA 1926.251
(c)(l) Wire rope
“provided that a safety factor of not less
than 5 is maintained.”
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