✨ Electrical Conductor Tables
2524
THE NEW ZEALAND GAZETTE.
[No. 65
V.I.R. COPPER—continued.
(C.) 7/·064 in. (7/16 S.W.G.).
Constants.—Area (copper), 0·0225 sq. in.; diameter (covered), 0·359 in.; loading factor, 2·88; maximum tension in conductor, 562 lb.; weight of covered conductor, 0·1328 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 468 | 0 6 |
| 140 .. | 438 | 0 9 |
| 160 .. | 407 | 1 1 |
| 180 .. | 376 | 1 6 |
(D.) 19/·052 in.
Constants.—Area (copper), 0·0403 sq. in.; diameter (covered), 0·441 in.; loading factor, 2·18; maximum tension in conductor, 1,008 lb.; weight of covered conductor, 0·2278 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 928 | 0 5½ |
| 140 .. | 902 | 0 7½ |
| 160 .. | 873 | 0 10 |
| 180 .. | 842 | 1 1 |
(E.) 19/·064 in. (19/16 S.W.G.).
Constants.—Area (copper), 0·0611 sq. in.; diameter (covered), 0·513 in.; loading factor, 1·85; maximum tension in conductor, 1,525 lb.; weight of covered conductor, 0·3285 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 1453 | 0 5 |
| 140 .. | 1429 | 0 7 |
| 160 .. | 1403 | 0 9 |
| 180 .. | 1373 | 1 0 |
(F.) 19/·072 in. (19/15 S.W.G.).
Constants.—Area (copper), 0·0774 sq. in.; diameter (covered), 0·596 in.; loading factor, 1·78; maximum tension in conductor, 1,935 lb.; weight of covered conductor, 0·409 lb. per foot.
| Span. | Datum. | Degrees Fahrenheit above Datum. |
|---|---|---|
| 0. | 20. | |
| Ten. | Sag. | |
| Ft. | lb. | Ft. in. |
| 120 .. | 1858 | 0 4¾ |
| 140 .. | 1831 | 0 6½ |
| 160 .. | 1802 | 0 8½ |
| 180 .. | 1769 | 0 11 |
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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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