New Zealand Gazette – 1935 – No. 65

Page 2528

✨ Electrical Conductor Tables



2528
THE NEW ZEALAND GAZETTE.
[No. 65

TRIPLE-BRAIDED COPPER—continued.

(B.) 7/·052 in.

Constants.—Area (copper), 0·01483 sq. in.; diameter (covered), 0·327 in.; loading factor, 5·65; maximum tension in conductor, 371 lb.; weight of covered conductor, 0·0882 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag. | Ten. | Sag.
Ft. lb. Ft. in. | lb. | Ft. in.
180 .. 87 4 1 | 82 | 4 4
220 .. 78 6 10 | 76 | 7 0
260 .. 74 10 0 | 73 | 10 3
300 .. 72 13 10 | 71 | 14 0
340 .. 70 18 2 | 69 | 18 4
380 .. 69 22 11 | 68 | 23 1
40. 60.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
78 4 7 | 74 | 4 9
73 7 3 | 71 | 7 6
71 10 6 | 70 | 10 8
70 14 3 | 68 | 14 5
68 18 6 | 68 | 18 9
68 23 4 | 67 | 23 7
--- ---
80. 100.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
71 5 0 | 68 | 5 3
69 7 8 | 67 | 7 11
68 10 11 | 67 | 11 2
67 14 8 | 66 | 14 11
67 18 11 | 66 | 19 2
67 23 9 | 66 | 23 11

(C.) 7/·064 in. (7/16 S.W.G.).

Constants.—Area (copper), 0·0225 sq. in.; diameter (covered), 0·388 in.; loading factor, 4·31; 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. | Ten. | Sag.
Ft. lb. Ft. in. | lb. | Ft. in.
180 .. 175 3 2 | 165 | 3 5
220 .. 157 5 4 | 151 | 5 6
260 .. 148 7 11 | 144 | 8 1
300 .. 143 10 10 | 140 | 11 1
340 .. 140 14 4 | 138 | 14 6
380 .. 138 18 2 | 136 | 18 4
40. 60.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
155 3 7 | 147 | 3 10
146 5 9 | 141 | 5 11
141 8 4 | 137 | 8 6
138 11 3 | 136 | 11 6
136 14 8 | 134 | 14 11
135 18 6 | 133 | 18 9
--- ---
80. 100.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
139 4 0 | 133 | 4 3
136 6 2 | 132 | 6 4
134 8 9 | 131 | 8 11
133 11 8 | 131 | 11 11
132 15 1 | 131 | 15 4
132 18 11 | 131 | 19 1

(D.) 7/·083 in.

Constants.—Area (copper), 0·03787 sq. in.; diameter (covered), 0·429; loading factor, 4·530; 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. | Ten. | Sag.
Ft. lb. Ft. in. | lb. | Ft. in.
180 .. 587 1 4 | 498 | 1 7
220 .. 483 2 6 | 423 | 2 10
260 .. 414 4 0 | 377 | 4 5
300 .. 373 5 11 | 348 | 6 4
340 .. 348 8 2 | 331 | 8 7
380 .. 332 10 9 | 319 | 11 2
40. 60.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
424 1 11 | 365 | 2 2
375 3 2 | 337 | 3 7
345 4 10 | 320 | 5 3
327 6 9 | 309 | 7 2
316 9 0 | 302 | 9 5
307 11 7 | 297 | 12 0
--- ---
80. 100.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
319 2 6 | 284 | 2 10
307 3 11 | 282 | 4 3
299 5 7 | 281 | 5 11
294 7 7 | 280 | 7 11
290 9 10 | 280 | 10 2
288 12 5 | 279 | 12 9

(E.) 19/·052 in.

Constants.—Area (copper), 0·0403 sq. in.; diameter (covered), 0·482 in.; loading factor, 3·27; 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. | Ten. | Sag.
Ft. lb. Ft. in. | lb. | Ft. in.
180 .. 595 1 7 | 509 | 1 10
220 .. 497 2 10 | 442 | 3 2
260 .. 434 4 6 | 401 | 4 11
300 .. 396 6 7 | 374 | 7 0
340 .. 373 9 0 | 357 | 9 5
380 .. 357 11 8 | 347 | 12 1
40. 60.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
442 2 1 | 390 | 2 5
399 3 6 | 363 | 3 10
374 5 3 | 347 | 5 8
355 7 4 | 337 | 7 9
343 9 10 | 331 | 10 2
335 12 6 | 326 | 12 10
--- ---
80. 100.
Ten. Sag. | Ten. | Sag.
lb. Ft. in. | lb. | Ft. in.
347 2 8 | 311 | 3 0
334 4 2 | 310 | 4 6
327 6 0 | 310 | 6 4
322 8 1 | 309 | 8 6
320 10 6 | 309 | 10 11
317 13 2 | 308 | 13 7


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