![]() |
Operated By: Advancement International Ltd. 595 Circlewood, Aurora, OH 44202(USA) Email: sales@LugsDirect.com Phone: 330-562-8983 | FAX: 330-562-9990 |
![]() IHIConnectors |
Brumall Manufacturing Corp. |
![]() Greaves Electrical Connectors |
![]() |
Accepted forms of payment: |
|||||
![]() |
LugsDirect.com Ampacities of Insulated Conductors From NEC Table NEC310.15(B)(16)Not More than Three Conductors in Raceway or Cable or Earth (Directly Buried) |
||||||||||
Print this Page | ||||||||||
Size | Copper Conductors | Aluminum Conductors Copper-Clad Conductors |
||||||||
60° C (140° F) |
75° C (167° F) |
90° C (194° F) |
60° C (140° F) |
75° C (167° F) |
90° C (194° F) |
|||||
AWG Kcmil |
Types | Types | Types | Types | Types | Types | ||||
TW | RHW | TBS | TW | RHW | TBS | |||||
UF | THW | SA | UF | THHW | SA, SIS | |||||
THWN | SIS | THW | THHN, THHW | |||||||
XHHW | FEP | THWN | THW-2 | |||||||
USE | FEPB | XHHW | THWN-2 | |||||||
ZW | RHH | USE | RHH, | |||||||
THHN | RHW-2 | |||||||||
THWN | USE-2 | |||||||||
XHHW | XHH, XHHW | |||||||||
XHHW-2, ZW-2 | ||||||||||
18 | - | - | 14 | - | - | - | ||||
16 | - | - | 18 | - | - | - | ||||
14 * | 20 (15) | 20 (15) | 25 | - | - | - | ||||
12 * | 25 (20) | 25 (20) | 30 | 20 1 | 20 1 | 25 1 | ||||
10 * | 30 | 35 (30) | 40 | 25 | 30 1 | 35 1 | ||||
8 | 40 | 50 | 55 | 30 | 40 | 45 | ||||
6 | 55 | 65 | 75 | 40 | 50 | 60 | ||||
4 | 70 | 85 | 95 | 55 | 65 | 75 | ||||
3 | 85 | 100 | 110 | 65 | 75 | 85 | ||||
2 | 95 | 115 | 130 | 75 | 90 | 100 | ||||
1 | 110 | 130 | 150 | 85 | 100 | 115 | ||||
1/0 | 125 | 150 | 170 | 100 | 120 | 135 | ||||
2/0 | 145 | 175 | 195 | 115 | 135 | 150 | ||||
3/0 | 165 | 200 | 225 | 130 | 155 | 175 | ||||
4/0 | 195 | 230 | 260 | 150 | 180 | 205 | ||||
250 | 215 | 255 | 290 | 170 | 205 | 230 | ||||
300 | 240 | 285 | 320 | 190 | 230 | 255 | ||||
350 | 260 | 310 | 350 | 210 | 250 | 280 | ||||
400 | 280 | 335 | 380 | 225 | 270 | 305 | ||||
500 | 320 | 380 | 430 | 260 | 310 | 350 | ||||
600 | 355 | 420 | 475 | 285 | 340 | 385 | ||||
700 | 385 | 460 | 520 | 310 | 375 | 420 | ||||
750 | 400 | 475 | 535 | 320 | 385 | 435 | ||||
800 | 410 | 490 | 555 | 330 | 395 | 450 | ||||
900 | 435 | 520 | 585 | 355 | 425 | 480 | ||||
1000 | 455 | 545 | 615 | 375 | 445 | 500 | ||||
1250 | 495 | 590 | 665 | 405 | 485 | 545 | ||||
1500 | 520 | 625 | 705 | 435 | 520 | 585 | ||||
1750 | 545 | 650 | 735 | 455 | 545 | 615 | ||||
2000 | 560 | 665 | 750 | 470 | 560 | 630 | ||||
Correction Factors for Ambient TemperatureOver 30° C, 86° F |
||||||||||
For Ambient Temperatures Over 30° C, 86° F, multiply the ampacities shown above by the appropriate factor show below: | ||||||||||
Ambient Temperature | Copper Conductors | Aluminum Conductors Copper-Clad Conductors |
||||||||
21-25 C, 70-77 F |
1.08 | 1.05 | 1.04 | 1.08 | 1.05 | 1.04 | ||||
26-30 C, 78-86 F |
1 | 1 | 1 | 1 | 1 | 1 | ||||
31-35 C, 87-95 F |
0.91 | 0.94 | 0.96 | 0.91 | 0.94 | 0.96 | ||||
36-40 C, 96-104 F |
0.82 | 0.88 | 0.91 | 0.82 | 0.88 | 0.91 | ||||
41-45 C, 105-113 F |
0.71 | 0.82 | 0.87 | 0.71 | 0.82 | 0.87 | ||||
46-50 C, 114-122 F |
0.58 | 0.75 | 0.82 | 0.58 | 0.75 | 0.82 | ||||
51-55 C, 123-131 F |
0.41 | 0.67 | 0.76 | 0.41 | 0.67 | 0.76 | ||||
56-60 C, 132-140 F |
- | 0.58 | 0.71 | - | 0.58 | 0.71 | ||||
61-70 C, 141-158 F |
- | 0.33 | 0.58 | - | 0.33 | 0.58 | ||||
71-80 C, 159-176 F |
- | - | 0.41 | - | - | 0.41 | ||||
|
||||||||||
* The load current rating and the overcurrent protection for conductor Types shall not exceed 15 amperes for 14 AWG, 20 amperes for 12 AWG, and 30 amperes for 10 AWG aluminum and copper-clad aluminum after any correction factors for ambient temperature and number of conductors have been applied. References: To buy NEC National Electric Code books go to World Wide Web "nfpa.org" |
Copyright © 2021 Advancement International Ltd, Aurora Ohio - All Rights Reserved
Advancement International Ltd is a registered company of Ohio, USA
IHI® is the Registered Trademark of International Hydraulics Inc.
LugsDirect.com is owned and operated by Advancement International Ltd.
DUNS # 148692197, REGISTERED WITH CCR, CAGE / NCAGE NUMBER 5A6R9,
A2 WOMAN OWNED SMALL BUSINESS, NAICS 335931, SIC 3643,
Made in the USA from domestic and imported parts. NAFTA CERTIFICATES AVAILABLE