Handbook of Electrical Tables and Design Criteria

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

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

Short-Circuit Tables and Data: 208 Volts Single-Phase L-L

Single-Phase L-L 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

890

802

730

669

618

574

503

447

403

366

336

310

288

245

212

188

168

152

139

119

104

92

75

63

3

2,189

1,723

1,420

1,208

1,051

930

756

637

551

485

433

391

356

292

247

215

190

170

154

129

111

98

79

66

5

3,090

2,236

1,752

1,440

1,223

1,062

841

696

594

518

459

412

374

304

256

221

194

174

157

131

113

99

80

67

10

4,472

2,880

2,124

1,682

1,393

1,188

919

749

632

546

481

430

389

314

263

226

198

177

159

133

114

100

80

67

15

5,256

3,186

2,286

1,782

1,461

1,237

948

768

645

557

489

436

394

317

265

228

200

178

160

134

115

100

80

67

20

5,761

3,365

2,377

1,837

1,497

1,263

963

778

652

562

493

440

397

318

266

229

200

178

161

134

115

101

81

67

25

6,113

3,482

2,434

1,871

1,520

1,280

972

784

657

565

496

442

398

320

267

229

201

179

161

134

115

101

81

67

30

6,372

3,565

2,475

1,895

1,535

1,291

978

788

659

567

497

443

399

320

267

229

201

179

161

134

115

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