262 
The N.Z. Journal of Science and Technology. 
[Nov. 
Table I. 
Size. 
Resistance (Ohms 
per Mile). 
Reactances (Ohms per Mile). 
Size. 
Spacing. 
* 
S.W.G. 
Annealed. 
Hard- 
drawn. 
S.W.G. 
6 in. 
12 in 
18 in 
24 in 
30in.|36in. 
' | 
42 in. 
48 in. 
60 in. 
72 in. 
12 
4-98 
5-080 
•504 
•574 
•615 
•644 
•667 
•685 
•701 
•714 
•736 
•755 
12 
11 
4-00 
4-084 
■493 
•563 
•604 
•633 
•656 
•674 
•690 
•703 
•725 
•744 
11 
10 
3-29 
3-354 
•483 
•553 
•594 
•623 
•646 
•664 
•680 
•693 
•715 
•734 
10 
9 
2-60 
2-650 
•471 
•541 
•582 
•611 
•634 
•652 
•668 
•681 
•703 
•722 
9 
8 
2-103 
2-146 
•460 
•530 
•571 
•600 
•623 
•641 
•657 
•670 
•692 
•711 
8 
7 
1-738 
1-774 
•450 
•520 
•561 
•590 
•613 
•631 
•647 
•660 
•682 
•701 
7 
6 
1-462 
1-491 
•441 
•511 
•552 
•581 
•604 
•622 
•638 
•651 
•673 
•692 
6 
5 
1-198 
1-223 
•431 
•501 
•542 
•571 
•594 
•612 
•628 
•641 
•663 
•682 
5 
4 
1-001 
1-021 
•422 
•492 
•533 
•562 
•585 
•603 
•619 
•632 
•654 
•673 
4 
3 
0-848 
0-865 
•414 
•484 
•525 
•554 
•577 
•595 
•611 
•624 
•646 
•665 
3 
2 
0-706 
0-721 
•405 
•475 
•516 
•545 
•568 
•586 
•602 
•615 
•637 
•656 
2 
1 
0-598 
0-610 
•397 
•467 
•508 
•537 
•560 
•578 
•594 
•607 
•629 
•648 
1 
1/0 
0-513 
0-523 
•389 
•459 
•500 
•529 
•552 
•570 
•586 
•599 
•621 
•640 
1/0 
2/0 
0-445 
0-454 
•382 
•452 
•493 
•522 
•545 
•563 
•579 
•592 
•614 
•633 
2/0 
3/0 
0-389 
0-397 
•375 
•445 
•486 
•515 
•538 
•556 
•572 
•585 
•607 
•626 
3/0 
4/0 
0-336 
0-343 
•368 
•438 
•479 
•508 
•531 
•549 
•565 
•578 
•600 
•619 
4/0 
5/0 
0-288 
0-294 
•360 
•430 
•471 
•500 
•523 
•541 
•557 
•570 
•592 
•611 
5/0 
6/0 
0-250 
0-255 
•353 
•423 
•464 
•493 
•516 
•534 
•550 
•563 
•585 
•604 
6/0 
7/0 
0-216 
0-220 
•345 
•415 
•456 
•485 
•508 
•526 
•542 
•555 
•577 
•596 
7/0 
7/20 
6-04 
6-16 
•507 
•577 
•618 
•647 
•670 
•688 
•704 
•717 
•739 
•758 
7/20 
7/19 
4-90 
5-00 
•496 
•566 
•607 
•636 
•659 
•677 
•693 
•706 
•728 
•747 
7/19 
7/18 
3-40 i 
3-47 
•478 
•548 
•589 
•618 
•641 
•659 
•675 
•688 
•710 
•729 
7/18 
7/17 
2-50 
2-55 
•462 
•532 
•573 
•602 
•625 
•643 
•659 
•672 
•694 
•713 
7/17 
7/16 
1-91 
1-95 
•449 
•519 
•560 
•589 
•612 
•630 
•646 
•659 
•681 
•700 
7/16 
7/15 
1-51 
1-54 
•437 
•507 
•548 
•577 
•600 
•618 
•634 
•647 
•669 
•688 
7/15 
7/14 
1-222 
1-247 
•426 
•496 
•537 
•566 
•589 
•607 
•623 
•636 
•658 
•677 
7/14 
7/13 
0-924 
0-943 
•412 
•482 
•523 
•552 
•575 
•593 
•609 
•622 
•644 
•663 
7/13 
7/12 
0-723 
0-738 
•400 
•470 
•511 
•540 
•563 
•581 
•597 
•610 
•632 
•651 
7/12 
7/11 
0-581 
0-593 
•389 
•459 
•500 
•529 
•552 
•570 
•586 
•599 
•621 
•640 
7/11 
7/10 
0-477 
0-487 
•376 
•446 
•487 
•516 
•539 
•557 
•573 
•586 
•608 
•627 
7/10 
19/22 
4-68 
3-76 
•476 
•546 
•587 
•616 
•639 
•657 
•673 
•686 
•708 
•727 
19/22 
19/21 
2-92 
2-98 
•463 
•533 
•574 
•603 
•626 
•644 
•660 
•673 
•695 
•714 
19/21 
19/20 
2-22 
2-27 
•451 
•521 
•562 
•591 
•614 
•632 
•648 
•661 
•683 
•702 
19/20 
19/19 
1-80 
1-84 
•440 
•510 
•551 
•580 
•603 
•621 
•673 
•650 
•672 
•691 
19/19 
19/18 
1-25 
1-28 
•422 
•492 
•533 
•562 
•585 
•603 
•619 
•632 
•654 
•673 
19/18 
19/17 
0-921 
0-940 
•406 
•476 
•517 
•546 
•569 
•587 
•603 
•616 
•638 
•657 
19/17 
19/16 
0-705 
0-719 
•393 
•463 
•504 
•533 
•556 
•574 
•590 
•603 
•625 
•644 
19/16 
19/15 
0-540 
0-551 
•381 
•451 
•492 
•521 
•544 
•562 
•578 
•591 
•613 
•632 
19/15 
19/14 
0-451 
0-460 
•370 
•440 
•481 
•510 
•533 
•551 
•567 
•580 
•602 
•621 
19/14 
19/13 
0-341 
0-348 
•356 
•426 
•467 
•496 
•519 
•537 
•553 
•566 
•588 
•607 
19/13 
19/12 
0-260 
0-265 
•344 
•414 
•455 
•484 
•507 
•525 
•541 
•554 
•576 
•595 
19/12 
19/11 
0-217 
0-221 
•333 
•403 
•444 
•473 
•496 
•514 
•530 
•543 
•565 
•584 
19/11 
19/10 
0-178 
0-182 
•323 
•393 
•434 
•463 
•486 
•504 
•520 
•533 
•555 
•574 
19/10 
37/20 
1-150 
1-175 
•416 
•486 
•527 
•556 
•579 
•597 
•613 
•626 
•648 
•667 
37/20 
37/19 
0-927 
0-946 
•405 
•475 
•516 
•545 
•568 
•586 
•602 
•615 
•637 
•656 
37/19 
37/18 
0-645 
0-658 
•390 
•460 
•501 
•530 
•553 
•571 
•587 
•600 
•622 
•641 
37/18 
37/17 
0-472 
0-482 
•371 
•441 
•482 
•511 
•534 
•552 
•568 
•581 
•603 
•622 
37/17 
37/16 
0-362 
0-369 
•358 
•428 
•469 
•498 
•521 
•539 
•555 
•568 
•590 
•609 
37/16 
37/15 
0-288 
0-294 
•346 
•416 
•457 
•486 
•509 
•527 
•543 
•556 
•578 
•597 
37/15 
37/14 
0-234 
0-239 
•335 
•405 
•446 
•475 
•498 
•516 
•532 
•545 
•567 
•586 
37/14 
37/13 
0177 
0-180 
•321 
•391 
•432 
•461 
•484 
•502 
•518 
•531 
•553 
•572 
37/13 
37/12 
0-140 
0-143 
•309 
•379 
•420 
•449 
•472 
•490 
•506 
•519 
•541 
•560 
37/12 
61/18 
0-392 
0-400 
•361 
•431 
•472 
•501 
•524 
•542 
•558 
•571 
•593 
•612 
61/18 
61/17 
0-289 
0-295 
•345 
•415 
•456 
•485 
•508 
•526 
•542 
•555 
•577 
•596 
61/17 
61/16 
0-221 
0-226 
•332 
•402 
•443 
•472 
•495 
•513 
•529 
•542 
•564 
•583 
61/16 
61/15 
0-176 
0-179 
•320 
•390 
•431 
•460 
•483 
•501 
•517 
•530 
•552 
•571 
61/15 
61/14 
0-143 
0-146 
•309 
•379 
•420 
•449 
•472 
•490 
•506 
•519 
•541 
•560 
61/14 
61/13 
0-111 
0-1126 
•296 
•366 
•407 
•436 
•459 
•477 
•493 
•506 
•528 
•547 
61/13 
61/12 
0-0893 
0-0901 
•284 
•354 | 
•395 
•424 
•446 
•465 | 
•480 
•494 
•516 1 
534 
61/12 
