✨ Electrical Conductor Tables
2522
THE NEW ZEALAND GAZETTE.
[No. 65
TRIPLE-BRAIDED COPPER—continued.
(C.) 7/·064 in. (7/16 S.W.G.).
Constants.—Area (copper), 0·0225 sq. in. ; diameter (covered), 0·388 in. ; loading factor, 2·97 ; maximum tension in conductor, 562 lb. ; weight of covered conductor, 0·1387 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 455 0 | 6½ |
| 140 .. | 421 0 | 10 |
| 160 .. | 386 1 | 2 |
| 180 .. | 353 1 | 7 |
(D.) 7/·083 in.
Constants.—Area (copper), 0·03787 sq. in. ; diameter (covered), 0·429 in. ; loading factor, 3·180 ; maximum tension in conductor, 947 lb. ; weight of covered conductor, 0·1973 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 866 0 | 5 |
| 140 .. | 840 0 | 7 |
| 160 .. | 809 0 | 9¼ |
| 180 .. | 777 1 | 0½ |
(E.) 19/·052 in.
Constants.—Area (copper), 0·0403 sq. in. ; diameter (covered), 0·482 in. ; loading factor, 2·31 ; maximum tension in conductor, 1,008 lb. ; weight of covered conductor, 0·2324 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 912 0 | 5½ |
| 140 .. | 880 0 | 8 |
| 160 .. | 846 0 | 10 |
| 180 .. | 810 1 | 2 |
(F.) 19/·064 in. (19/16 S.W.G.).
Constants.—Area (copper), 0·0610 sq. in. ; diameter (covered), 0·598 in. ; loading factor, 2·03 ; maximum tension in conductor, 1,525 lb. ; weight of covered conductor, 0·3378 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 1429 0 | 5 |
| 140 .. | 1397 0 | 7 |
| 160 .. | 1361 0 | 9½ |
| 180 .. | 1322 1 | 0 |
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VUW Te Waharoa —
NZ Gazette 1935, No 65
NZLII —
NZ Gazette 1935, No 65
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Still-Air Sag and Tension Tables for Electrical Conductors
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