Chapter 3 Wiring Methods and Materials

More documents

Recommendations

Info

ARTICLE 31O-CONDUCTORS FOR GENERAL WIRING 310.60 2008 Edition NATIONAL ELECTRICAL CODE 70-157
310.60 ARTICLE 310- CONDUCTORS FOR GENERAL WIRING Table 310.74 Ampacities of an Insulated Triplexed or Three Table 310.76 Ampacities of an Insulated Three-Conductor Single-Conductor Aluminum Cables in Isolated Conduit in Aluminum Cable in Isolated Conduit in Air Based on Air Based on Conductor Temperatures of 90°C (194°F) and Conductor Temperatures of 90°C (194°F) and 105°C (221°F) 105°C (221°F) and Ambient Air Temperature of 40°C and Ambient Air Temperature of 40°C (104°F) (104°F) Temperature Rating of Conductor [See Table Temperature Rating of Conductor [See Table 'l~~fJl)·] ~~1~C).] 2001-5000 Volts 5001-35,000 Volts 2001-5000 Volts 5001-35,000 Volts Ampacity Ampacity Ampacity Ampacity Conductor 105°C 105°C 105°C 105°C Size 90°C (221°F) 90°C (221°F) Conductor 90°C (221°F) 90°C (221°F) (AWG (194°F) Type (194°F) Type Size (AWG (194°F) Type (l94°F) Type or kcmil) Type MV-90 MV-I05 Type MV-90 MV·I05 or kcmil) Type MV-90 MV·I05 Type MV·90 MV·I05 8 41 46 8 43 48 6 53 59 64 71 6 58 65 65 72 4 71 79 84 94 4 76 85 84 94 2 96 105 115 125 2 100 115 lIS 130 I 110 125 130 145 I 120 135 130 ISO I/O 130 145 150 170 I/O 140 ISS ISO 170 2/0 ISO 165 170 190 2/0 160 175 175 200 3/0 170 190 195 220 3/0 190 210 200 225 4/0 200 225 225 255 4/0 215 240 230 260 250 350 500 750 250 305 380 490 280 340 425 545 255 310 385 485 290 350 430 540 1000 580 645 565 640 250 220 245 250 280 275 305 305 340 340 380 380 425 430 480 470 520 505 560 550 615 350 500 750 1000 Table 310.75 Ampacities of an Insulated Three-Conductor Copper Cable in Isolated Conduit in Air Based on Conductor Temperatures of 90°C (194°F) and 105°C (221°F) and Ambient Air Temperature of 40°C (104°F) Temperature Rating of Conductor [See Table 3't~.C)·] 5001-35,000 Volts 2001-5000 Volts Ampacity Ampacity Conductor 105"C 105°C Size 90°C (221"F) 90°C (221°F) (AWG (194°F) Type (194°F) Type or kcmil) Type MV·90 MV·I05 Type MV·90 MV-I05 8 52 58 6 69 77 83 92 4 91 100 105 120 2 125 135 145 165 I 140 ISS 165 185 I/O 165 185 195 215 2/0 190 210 220 245 3/0 220 245 250 280 4/0 255 285 290 320 250 280 315 315 350 350 350 390 385 430 500 425 475 470 525 750 525 585 570 635 1000 590 660 650 725 70-158 NATIONAL ELECTRICAL CODE 2008 Edition
Page 1 and 2: CHAPTER 3 ARTICLE 300 - WIRING METH
Page 3 and 4: 300.5 ARTICLE 300 - WIRING METHODS
Page 13 and 14: 310.1 ARTICLE 310 - CONDUCTORS FOR
Page 23 and 24: 310.15 ARTICLE 31O-CONDUCTORS FOR G
Page 25 and 26: 310.15 ARTICLE 31O-CONDUCTORS FOR G
Page 31: 310.60 ARTICLE 310 - CONDUCTORS FOR
Page 39 and 40: 312.1 ARTICLE 312 - CABINETS, CUTOU
Page 41 and 42: 312.10 ARTICLE 312 - CABINETS, CUTO
Page 43 and 44: 314.4 ARTICLE 314 - OUTLET, DEVICE,
Page 45 and 46: 314.19 ARTICLE 314- OUTLET. DEVICE,
Page 47 and 48: 314.24 ARTICLE 314 - OUTLET. DEVICE
Page 49 and 50: 314.30 ARTICLE 314-0UTLET, DEVICE.
Page 51 and 52: 320.12 ARTICLE 320 - ARMORED CABLE:
Page 53 and 54: 322.100 ARTICLE 324 - FLAT CONDUCTO
Page 55 and 56: 324.60 ARTICLE 326 - INTEGRATED GAS
Page 57 and 58: 328.100 ARTICLE 330 - METAL-CLAD CA
Page 59 and 60: 332.1 ARTICLE 332-MINERAL-INSULATED
Page 61 and 62: 334.12 ARTICLE 334-NONMETALLIC-SHEA
Page 63 and 64: 336.1 ARTICLE 336 - POWER AND CONTR
Page 65 and 66: 338.24 ARTICLE 340 - UNDERGROUND FE
Page 67 and 68: 342.28 ARTICLE 344-RIGID METAL COND
Page 69 and 70: 344.42 ARTICLE 348 - FLEXIBLE METAL
Page 71 and 72: 348.42 ARTICLE 350 - LIQUIDTIGHT FL
Page 73 and 74: 352.12 ARTICLE 352 - RIGID POLYVINY
Page 75 and 76: 352.60 ARTICLE 353 - HIGH DENSITY P
Page 77 and 78: 354.12 ARTICLE 354-NONMETALLIC UNDE
Page 79 and 80: 355.22 ARTICLE 355 - REINFORCED THE
Page 81 and 82: 356.6 ARTICLE 356 - LIQUIDTIGHT FLE
Page 83 and 84:
358.22 ARTICLE 360 - FLEXIBLE METAL
Page 85 and 86:
362.1 ARTICLE 362 - ELECTRICAL NONM
Page 87 and 88:
366.1 ARTICLE 366 - AUXILIARY GUTTE
Page 89 and 90:
368.1 ARTICLE 368 - BUSWAYS (I) Sui
Page 91 and 92:
368.214 ARTICLE 370 - CABLEBUS IV.
Page 93 and 94:
372.4 ARTICLE 374 - CELLULAR METAL
Page 95 and 96:
376.12 ARTICLE 376-METAL WIREWAYS 3
Page 97 and 98:
378.30 ARTICLE 382 - NONMETALLIC EX
Page 99 and 100:
382.56 ARTICLE 384- STRUT-TIPE CHAN
Page 101 and 102:
384.120 ARTICLE 386-SURFACE METAL R
Page 103 and 104:
390.1 ARTICLE 390 - UNDERFLOOR RACE
Page 105 and 106:
392.4 ARTICLE 392 - CABLE TRAYS the
Page 107 and 108:
392.9 ARTICLE 392 - CABLE TRA YS si
Page 109 and 110:
392.11 ARTICLE 392 - CABLE TRAYS Ta
Page 111 and 112:
394.10 ARTICLE 394 - CONCEALED KNOB
Page 113 and 114:
398.10 ARTICLE 398 - OPEN WIRING ON
show all

Chapter 3 Wiring Methods and Materials

Create successful ePaper yourself

Delete template?

Save as template?