Electrical Supply Regulations




2394
THE NEW ZEALAND GAZETTE.
[No. 48

(J.) 7/·157 in.

Constants.—Area, 0·1355 sq. in.; breaking-strength, 5586 lb.; diameter, 0·471 in.; loading factor, 3·595; maximum tension in conductor, 2234·4 lb.; weight, 0·2046 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 2011 0 5
220 .. 1905 0 8
260 .. 1780 1 0
300 .. 1644 1 5
340 .. 1503 2 0
380 .. 1361 2 9

(K.) 7/·161 in.

Constants.—Area, 0·1425 sq. in.; breaking-strength, 5874 lb.; diameter, 0·483 in.; loading factor, 3·511; maximum tension in conductor, 2349·6 lb.; weight, 0·2152 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 2127 0 5
220 .. 2018 0 8
260 .. 1910 0 11
300 .. 1759 1 5
340 .. 1616 1 11
380 .. 1470 2 8

(L.) 7/·166 in.

Constants.—Area, 0·1515 sq. in.; breaking-strength, 6061 lb.; diameter, 0·498 in.; loading factor, 3·413; maximum tension in conductor, 3030·5 lb.; weight, 0·229 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 2878 0 3¾
220 .. 2802 0 6
260 .. 2714 0 8½
300 .. 2614 1 0
340 .. 2500 1 4
380 .. 2372 1 9

(M.) 7/·177 in.

Constants.—Area, 0·17224 sq. in.; breaking-strength, 6819 lb.; diameter, 0·531 in.; loading factor, 3·219; maximum tension in conductor, 3409·5 lb.; weight, 0·2603 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
130 .. 3251 0 4
220 .. 3180 0 6
260 .. 3085 0 8½
300 .. 2985 1 0
340 .. 2873 1 4
380 .. 2749 1 9


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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