Delta GR150 Operations Instructions download pdf (Page 18)

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APPENDIX 1

The table below is based on Table 310.16 in the National Electric Code 2011 Edition

Allowable ampacitier of insulated condutors rated 0 through 2000 volts, 75

C through 90

C. Not more than

three current-carrying conductors in Raceway, Cable or Earth (Direct Buried). Adjusted for 40

C (104

ambient temperature.

Copper Copper Aluminum Aluminum

Copper Clad Aluminum Copper Clad Aluminum

C90

C75

C90

Wire Type:

Wire Type: TBS,SA.

TBS,SA.SIS SIS, THHN

Wire Type: FEP,FEPB,MI,RHH Wire Type: THHW, THW-2

RHW RHW-2,THHN RHW THWN-2,RHH

THHW, THW THHW, THW-2 THHW, THW RHW-2, USE-2

THWN, XHHW XHH, XHHW SIZE AWG THWN, XHHW XHH, XHHW

USE,ZW XHHW-2, ZW-2 OR kcmil USE XHHW-2, ZW-2

44 50 8 35 41

57 68 6 44 55

75 86 4 57 68

88 100 3 66 77

101 118 2 79 91

114 137 1 88 105

132 155 1/0 106 123

154 177 2/0 119 137

176 205 3/0 136 159

202 237 4/0 158 187

224 264 250 180 209

251 291 300 202 232

273 319 350 220 255

295 346 400 238 278

334 391 500 273 319

370 432 600 299 350

405 473 700 330 382

418 487 750 339 396

431 505 800 348 410

458 532 900 374 437

480 560 1000 392 455

519 605 1250 427 496

550 642 1500 458 532

572 669 1750 480 560

585 683 2000 493 573

For addition information see table 310.16 of the National Electric Code

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