Electrical Supply Regulations Tables




2386
THE NEW ZEALAND GAZETTE.
[No. 48

(B.) 7/·044 in.

Constants.—Area (copper), 0·0105 sq. in. ; diameter (covered), 0·280 in. ; loading factor, 6·2 ; maximum tension in conductor, 266 lb. ; weight of covered conductor, 0·0687 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft. in.
180 53 5 3
220 49 8 6
260 47 12 4
300 46 16 10
340 45 22 0
380 44 27 9
40. 60. 80. 100.
Ten. Sag. Ten. Sag.
lb. Ft. in. lb. Ft. in.
49 5 8 47 5 11
47 8 11 46 9 1
45 12 9 45 12 11
45 17 2 44 17 5
44 22 5 44 22 7
44 28 1 44 28 4

(C.) 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.
Ft. lb. Ft. in.
180 87 4 1
220 78 6 10
260 74 10 0
300 72 13 10
340 70 18 2
380 69 22 11
40. 60. 80. 100.
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

(D.) 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.
Ft. lb. Ft. in.
180 175 3 2
220 157 5 4
260 148 7 11
300 143 10 10
340 140 14 4
380 138 18 2
40. 60. 80. 100.
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

(E.) 19/·052 in.

Constants.—Area (copper), 0·0403 sq. in. ; diameter (covered), 0·482 in. ; loading factor, 3·27 ; maximum tension in conductor, 1008 lb. ; weight of covered conductor, 0·2324 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft. in.
180 595 1 7
220 497 2 10
260 434 4 6
300 396 6 7
340 373 9 0
380 357 11 8
40. 60. 80. 100.
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


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🏗️ Electrical Supply Regulations, 1927 (continued) (continued from previous page)

🏗️ Infrastructure & Public Works
Regulations, Electrical Supply, Public Works Act, Inspections, Fees, Compliance, Dangerous Lines, Penalties, Tables, Constants, Span, Tension, Sag