12 AWG C Rural Wire

SAG AND TENSION TABLE FOR 12 AWGC RURAL WIRE
HEAVY ICE LOADING AREAS
SPAN LENGTH
(Feet)
50
75
100
125
150
175
200
225
250
275
300
350
400
STRINGING
TENSION(Lbs.)
45
45
45
60
80
80
85
90
100
100
110
120
140
STRINGING SAG
(Feet) (Inches)
0
5
0
10
1
6
1
9
1
11
2
7
3
2
3
10
4
3
5
1
5
6
6
11
7
9
SAG UNDER
HEAVY LOADING
(Feet) (Inches)
0
11
1
8
2
7
3
5
4
3
5
4
6
5
7
7
8
8
10
0
11
2
13
9
16
3
EXPECTED TENSION
UNDER HEAVY LOAD
(Lbs.)
229
277
316
376
437
472
511
548
591
620
661
728
805
NOTE: Heavy ice loading is defined under NESC Rules 250 and 251 as 0.5 inch radius thickness of ice and 4 PSF horizontal wind
pressure at 0º F. Stringing tensions are at 60º F.
MEDIUM ICE LOADING AREAS
SPAN LENGTH
(Feet)
50
75
100
125
150
175
200
225
250
275
300
350
400
STRINGING
TENSION(Lbs.)
45
45
45
60
80
80
85
90
100
100
110
120
140
STRINGING SAG
(Feet) (Inches)
0
5
0
10
1
6
1
9
1
11
2
7
3
2
3
10
4
3
5
1
5
6
6
11
7
9
SAG UNDER
HEAVY LOADING
(Feet) (Inches)
0
10
1
7
2
6
3
3
4
0
5
1
6
2
7
3
8
3
9
7
10
8
13
2
15
7
EXPECTED TENSION
UNDER HEAVY LOAD
(Lbs.)
203
246
280
335
391
421
456
490
529
554
591
651
721
NOTE: Medium ice loading is defined under NESC Rules 250 and 251 as 0.25 inch radius thickness of ice and 4 PSF horizontal wind
pressure at 15º F. Stringing tensions are at 60º F.
LIGHT LOADING AREAS
SPAN LENGTH
(Feet)
50
75
100
125
150
175
200
225
250
275
300
350
400
STRINGING
TENSION(Lbs.)
45
45
45
60
80
80
85
90
100
100
110
120
140
STRINGING SAG
(Feet) (Inches)
0
5
0
10
1
6
1
9
1
11
2
7
3
2
3
10
4
3
5
1
5
6
6
11
7
9
SAG UNDER
HEAVY LOADING
(Feet) (Inches)
0
8
1
4
2
1
2
8
3
3
4
2
5
0
5
11
6
9
7
10
8
9
10
9
12
7
EXPECTED TENSION
UNDER HEAVY LOAD
(Lbs.)
134
157
175
213
254
270
292
312
339
352
377
415
463
NOTE: Light loading is defined under NESC Rules 250 and 251 as 9 PSF horizontal wind pressure at 30º F. and no ice.
Stringing tensions are at 60º F.
04/23-04
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