Diary and Appointment Book of Harry S. Truman

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REACTANCE IN OHMS PER 1000 FT. AT 25
DATA ON BARE STRANDED COPPER CABLE
AND 60 CYCLES-ONE CONDUCTOR OF SIN-
(Based on A.I.E.E. Standard)
S
GLE PHASE OR THREE-PHASE CIRCUIT
For Triangular Spacing*
25 CYCLES
Size of
Diam. of
Cable
Weight
re
Diam.
No. of
Wires
th
No.
INTER AXIAL DISTANCE IN INCHES
Circular
per
Inches
Wires
Inches
1000 Ft.
S.
B. & S.
12
18
36
60
72
Mils
in Lbs.
W
Solid
li
8
.0523
.0562
.0628
.0677
.0695
250,000
0.575
37
0.0822
760
7
.0512
.0551
.0617
.0666
.0684
300,000
0.630
pi
37
0.0900
909
6
.0501
.0540
.0606
.0655
.0673
ar
400,000
0.728
37
5
.0490
.0529
.0595
.0644
.0661
0.1040
1,211
in
4
.0479
.0518
.0584
.0633
.0651
500,000
0.814
37
0.1162
1,512
3
.0468
0507
.0573
.0622
.0639
750,000
0.998
61
0.1109
2,275
ea
2
.0457
.0496
.0562
.0611
.0628
1,000,000
1.152
61
co
1
.0446
0485
.0551
.0600
.0617
0.1280
3,030
Stranded
1,250,000
1.290
91
0.1173
3,788
for
0
.0430
0469
.0535
.0585
.0606
1,500,000
1.412
91
0.1284
tu
4,560
00
.0419
.0458
.0524
.0573
.0591
1,750,000
1.526
127
ca
000
.0408
.0447
.0513
.0563
.0580
0.1173
5,290
len
0000
.0397
.0436
.0502
.0551
.0569
2,000,000
1.631
127
0.1255
6,060
the
250,000
.0389
.0428
.0494
.0543
.0561
rec
300,000
.0380
.0419
.0485
.0535
.0552
tha
60 CYCLES
shi
No.
INTER AXIAL DISTANCE IN INCHES
tha
Size of
Weight
Resistance at 25°C.
B. & S.
Feet
12
18
36
60
72
Cable
per
(77°F.)
par
Circular
per
Solid
Mile
the
8
1256
.1349
.1508
1625
.1667
Mils
in Lb.
Ohms per
Ohms per
Ohm at
7
.1230
.1323
.1481
.1599
1000 Ft.
25°C.
I
.1641
Mile
feet
6
.1203
.1296
.1455
.1572
.1614
850
5
.1176
.1270
.1428
.1546
.1587
250,000
4,010
0.0423
0.2230
23,650
C
4
.1150
.1243
.1402
.1519
.1561
300,000
4,790
0.03520
0.1860
28,400
3
.1123
.1216
.1375
.1492
.1534
via
400,000
6,390
0.02640
.1096
.1466
.1507
0.1395
2
.1190
.1348
37,800
den
1
.1070
.1163
.1322
.1439
1481
500,000
7,970
0.02114
0.1117
47,300
equ
Stranded
750,000
12,000
0.01410
0.0744
70,900
whi
0
.1033
.1126
.1285
.1403
.1454
1,000,000
15,980
0.01057
ship
00
.1006
.1099
.1258
.1376
.1418
0.0558
94,600
.1392
1,250,000
20,020
0.00846
0.0447
elect
000
.0980
.1073
.1232
.1350
118,300
0000
.0953
.1046
.1205
.1323
.1365
1,500,000
24,040
0.00705
stru
0.0372
141,900
250,000
.0934
.1027
.1186
.1304
.1346
1,750,000
buil
27,920
0.00604
300,000
.0913
.1006
1165
.1283
.1325
0.0319
165,500
2,000,000
31,960
0.00529
0.0279
* Multiply flat spacing by 1.26 to obtain eq.
189,200
20
21

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Page context

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    "ocrText": "REACTANCE IN OHMS PER 1000 FT. AT 25\nDATA ON BARE STRANDED COPPER CABLE\nAND 60 CYCLES-ONE CONDUCTOR OF SIN-\n(Based on A.I.E.E. Standard)\nS\nGLE PHASE OR THREE-PHASE CIRCUIT\nFor Triangular Spacing*\n25 CYCLES\nSize of\nDiam. of\nCable\nWeight\nre\nDiam.\nNo. of\nWires\nth\nNo.\nINTER AXIAL DISTANCE IN INCHES\nCircular\nper\nInches\nWires\nInches\n1000 Ft.\nS.\nB. & S.\n12\n18\n36\n60\n72\nMils\nin Lbs.\nW\nSolid\nli\n8\n.0523\n.0562\n.0628\n.0677\n.0695\n250,000\n0.575\n37\n0.0822\n760\n7\n.0512\n.0551\n.0617\n.0666\n.0684\n300,000\n0.630\npi\n37\n0.0900\n909\n6\n.0501\n.0540\n.0606\n.0655\n.0673\nar\n400,000\n0.728\n37\n5\n.0490\n.0529\n.0595\n.0644\n.0661\n0.1040\n1,211\nin\n4\n.0479\n.0518\n.0584\n.0633\n.0651\n500,000\n0.814\n37\n0.1162\n1,512\n3\n.0468\n0507\n.0573\n.0622\n.0639\n750,000\n0.998\n61\n0.1109\n2,275\nea\n2\n.0457\n.0496\n.0562\n.0611\n.0628\n1,000,000\n1.152\n61\nco\n1\n.0446\n0485\n.0551\n.0600\n.0617\n0.1280\n3,030\nStranded\n1,250,000\n1.290\n91\n0.1173\n3,788\nfor\n0\n.0430\n0469\n.0535\n.0585\n.0606\n1,500,000\n1.412\n91\n0.1284\ntu\n4,560\n00\n.0419\n.0458\n.0524\n.0573\n.0591\n1,750,000\n1.526\n127\nca\n000\n.0408\n.0447\n.0513\n.0563\n.0580\n0.1173\n5,290\nlen\n0000\n.0397\n.0436\n.0502\n.0551\n.0569\n2,000,000\n1.631\n127\n0.1255\n6,060\nthe\n250,000\n.0389\n.0428\n.0494\n.0543\n.0561\nrec\n300,000\n.0380\n.0419\n.0485\n.0535\n.0552\ntha\n60 CYCLES\nshi\nNo.\nINTER AXIAL DISTANCE IN INCHES\ntha\nSize of\nWeight\nResistance at 25°C.\nB. & S.\nFeet\n12\n18\n36\n60\n72\nCable\nper\n(77°F.)\npar\nCircular\nper\nSolid\nMile\nthe\n8\n1256\n.1349\n.1508\n1625\n.1667\nMils\nin Lb.\nOhms per\nOhms per\nOhm at\n7\n.1230\n.1323\n.1481\n.1599\n1000 Ft.\n25°C.\nI\n.1641\nMile\nfeet\n6\n.1203\n.1296\n.1455\n.1572\n.1614\n850\n5\n.1176\n.1270\n.1428\n.1546\n.1587\n250,000\n4,010\n0.0423\n0.2230\n23,650\nC\n4\n.1150\n.1243\n.1402\n.1519\n.1561\n300,000\n4,790\n0.03520\n0.1860\n28,400\n3\n.1123\n.1216\n.1375\n.1492\n.1534\nvia\n400,000\n6,390\n0.02640\n.1096\n.1466\n.1507\n0.1395\n2\n.1190\n.1348\n37,800\nden\n1\n.1070\n.1163\n.1322\n.1439\n1481\n500,000\n7,970\n0.02114\n0.1117\n47,300\nequ\nStranded\n750,000\n12,000\n0.01410\n0.0744\n70,900\nwhi\n0\n.1033\n.1126\n.1285\n.1403\n.1454\n1,000,000\n15,980\n0.01057\nship\n00\n.1006\n.1099\n.1258\n.1376\n.1418\n0.0558\n94,600\n.1392\n1,250,000\n20,020\n0.00846\n0.0447\nelect\n000\n.0980\n.1073\n.1232\n.1350\n118,300\n0000\n.0953\n.1046\n.1205\n.1323\n.1365\n1,500,000\n24,040\n0.00705\nstru\n0.0372\n141,900\n250,000\n.0934\n.1027\n.1186\n.1304\n.1346\n1,750,000\nbuil\n27,920\n0.00604\n300,000\n.0913\n.1006\n1165\n.1283\n.1325\n0.0319\n165,500\n2,000,000\n31,960\n0.00529\n0.0279\n* Multiply flat spacing by 1.26 to obtain eq.\n189,200\n20\n21"
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