Handbook of Electrical Tables and Design Criteria

Fault-Current Calculations with Short-Circuit Tables and Data-Continued

Single-Phase L-N Fault-Current Tables-Continued

Short-Circuit Tables and Data: 120 Volts Single-Phase L-N

Single-Phase L-N Bolted Fault-Current [*] Table
One-Way Distance in Feet
Available Isc in Thousands (Isca)

5

10

15

20

25

30

40

50

60

70

80

90

100

125

150

175

200

225

250

300

350

400

500

600

1

1,135

913

764

656

575

512

420

356

309

273

244

221

202

166

141

122

108

97

88

74

64

56

45

38

3

2,291

1,537

1,156

927

773

663

517

423

358

310

274

245

222

179

150

130

114

101

91

76

66

58

46

39

5

2,877

1,780

1,289

1,010

830

705

541

439

370

319

281

251

226

182

152

131

115

102

92

77

66

58

46

39

10

3,560

2,020

1,410

1,083

879

740

562

453

379

326

286

255

230

184

154

132

116

103

93

77

66

58

47

39

15

3,866

2,115

1,455

1,109

896

752

569

457

382

329

288

256

231

185

155

133

116

103

93

78

66

58

47

39

20

4,039

2,166

1,479

1,123

905

758

572

460

384

330

289

257

232

186

155

133

116

103

93

78

67

58

47

39

25

4,151

2,197

1,494

1,132

911

762

575

461

385

330

289

258

232

186

155

133

116

103

93

78

67

58

47

39

30

4,229

2,219

1,504

1,138

915

765

576

462

386

331

290

258

232

186

155

133

116

103

93

78

67

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