New Zealand Gazette – 1927 – No. 48

Page 2393

✨ Electrical Supply Regulations Tables



JULY 12.] THE NEW ZEALAND GAZETTE. 2393

(F.) 7/·102 in.

Constants.—Area, 0·05720 sq. in.; breaking-strength, 2548 lb.; diameter, 0·306 in.; loading factor, 5·409; maximum tension in conductor, 1019·2 lb.; weight, 0·08633 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 829 0 5
220 .. 736 0 8½
260 .. 635 1 2
300 .. 528 1 10
340 .. 432 2 11
380 .. 362 4 4

| 40. | 60. | 80. | 100. |
| Ten. | Sag. | Ten. | Sag. | Ten. | Sag. | Ten. | Sag. |
| lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. |
| 539 | 0 8 | 406 | 0 10½ | 294 | 1 2 | 216 | 1 7 |
| 464 | 1 2 | 351 | 1 6 | 265 | 2 0 | 208 | 2 6 |
| 391 | 1 10 | 304 | 2 5 | 246 | 3 0 | 204 | 3 7 |
| 334 | 2 11 | 273 | 3 7 | 230 | 4 3 | 200 | 4 10 |
| 292 | 4 3 | 251 | 5 0 | 221 | 5 8 | 198 | 6 4 |
| 267 | 5 10 | 237 | 6 7 | 215 | 7 3 | 197 | 7 11 |

(G.) 7/·118 in.

Constants.—Area, 0·07655 sq. in.; breaking-strength, 3410 lb.; diameter, 0·354 in.; loading factor, 4·698; maximum tension in conductor, 1363·8 lb.; weight, 0·11566 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 1178 0 4¾
220 .. 1078 0 8
260 .. 973 1 0
300 .. 858 1 6
340 .. 748 2 3
380 .. 638 3 3

| 40. | 60. | 80. | 100. |
| Ten. | Sag. | Ten. | Sag. | Ten. | Sag. | Ten. | Sag. |
| lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. |
| 784 | 0 7 | 600 | 0 9½ | 442 | 1 1 | 318 | 1 6 |
| 705 | 1 0 | 541 | 1 4 | 407 | 1 9 | 312 | 2 3 |
| 624 | 1 7 | 484 | 2 0 | 379 | 2 7 | 307 | 3 2 |
| 550 | 2 4 | 437 | 3 0 | 359 | 3 8 | 304 | 4 3 |
| 491 | 3 5 | 405 | 4 2 | 345 | 4 10 | 302 | 5 6 |
| 442 | 4 9 | 379 | 5 6 | 333 | 6 3 | 299 | 7 0 |

(H.) 7/·132 in.

Constants.—Area, 0·09579 sq. in.; breaking-strength, 4106 lb.; diameter, 0·396 in.; loading factor, 4·227; maximum tension in conductor, 1642·4 lb.; weight, 0·1446 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 1436 0 5
220 .. 1337 0 8
260 .. 1223 1 0
300 .. 1100 1 6
340 .. 972 2 2
380 .. 851 3 1

| 40. | 60. | 80. | 100. |
| Ten. | Sag. | Ten. | Sag. | Ten. | Sag. | Ten. | Sag. |
| lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. |
| 951 | 0 7½ | 727 | 0 9½ | 530 | 1 1 | 382 | 1 6 |
| 869 | 1 0 | 665 | 1 4 | 499 | 1 9 | 383 | 2 3 |
| 785 | 1 7 | 608 | 2 0 | 476 | 2 7 | 384 | 3 2 |
| 703 | 2 4 | 560 | 2 11 | 457 | 3 7 | 385 | 4 3 |
| 636 | 3 3 | 524 | 4 0 | 444 | 4 9 | 386 | 5 5 |
| 583 | 4 6 | 497 | 5 3 | 433 | 6 0 | 386 | 6 9 |

(I.) 7/·144 in.

Constants.—Area, 0·1140 sq. in.; breaking-strength, 4886 lb.; diameter, 0·432 in.; loading factor, 3·892; maximum tension in conductor, 1954·4 lb.; weight, 0·1723 lb. per foot.

Span. Datum. Degrees Fahrenheit above Datum.
0. 20.
Ten. Sag.
Ft. lb. Ft.in.
180 .. 1744 0 5
220 .. 1644 0 7½
260 .. 1531 0 11½
300 .. 1407 1 5
340 .. 1272 2 0
380 .. 1140 2 9

| 40. | 60. | 80. | 100. |
| Ten. | Sag. | Ten. | Sag. | Ten. | Sag. | Ten. | Sag. |
| lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. | lb. | Ft.in. |
| 1167 | 0 7 | 896 | 0 9½ | 658 | 1 1 | 477 | 1 6 |
| 1089 | 0 11½ | 837 | 1 3 | 629 | 1 8 | 482 | 2 2 |
| 1000 | 1 6 | 776 | 1 11 | 605 | 2 5 | 486 | 3 0 |
| 916 | 2 1 | 723 | 2 8 | 585 | 3 4 | 488 | 4 0 |
| 837 | 3 0 | 683 | 3 8 | 570 | 4 5 | 489 | 5 1 |
| 772 | 4 0 | 650 | 4 9 | 559 | 5 7 | 492 | 6 4 |



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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