What size wire do I need for a 100 amp underground service?
For a 100 ampere circuit, the conductors will likely be required to be 3 AWG copper or 1 AWG aluminum.
What is 2224 aluminum wire rated for?
600 volts
The cable is rated at 600 volts and 90_C for use in wet and dry locations.
Can I use aluminum wire to feed a sub panel?
However, in larger-capacity circuits, such as a main service entrance for a house, or in a situation such as yours—a feeder from the main electrical panel to a subpanel—aluminum cable may still be permitted.
How many amps will #2 aluminum wire carry?
Allowable Ampacities of Insulated Aluminum or CopperClad Aluminum Conductors
| Conductor Size (AWG/KCMIL) | 60°C (140°F) TW, UF | 75°C (167°F) RHW, THHW, THW, THWN, XHHW, USE, ZW |
|---|---|---|
| 2 | 75 | 90 |
| 1 | 85 | 100 |
| 1/0 | 100 | 120 |
| 2/0 | 115 | 135 |
Will 4 0 aluminum wire fit in a 100 amp breaker?
I am not positive about all manufacturers, but Square-D, QO style, 100 amp breakers will accept #4 to 2/0 cables, Aluminum or Copper.
What is #2 aluminum wire?
#2 Stranded Aluminum XHHW-2 Wire XHHW-2 are primarily used in air duct, conduit or recognized raceways for services, feeders and branch circuit wiring as specified in the National Electrical Code.
What is the ampacity of #2 aluminum?
Allowable Ampacities of Insulated Aluminum or CopperClad Aluminum Conductors
| Conductor Size (AWG/KCMIL) | 60°C (140°F) TW, UF | 90°C (194°F) TBS, SA, SIS, FEP, FEPB, MI, RHH, RHW-2, THHN, THHW, THW-2, THWN-2, XHH, XHHW, XHHW-2, USE-2, ZW |
|---|---|---|
| 3 | 65 | 85 |
| 2 | 75 | 100 |
| 1 | 85 | 115 |
| 1/0 | 100 | 135 |
Is it OK to use aluminum wire instead of copper?
Aluminum wire is generally easier to use than copper because it’s lighter and more malleable, making it an ideal wiring material to use over long distances.
How many amps can #4 aluminum carry?
Allowable Ampacities of Insulated Aluminum or CopperClad Aluminum Conductors
| Conductor Size (AWG/KCMIL) | 60°C (140°F) TW, UF | 75°C (167°F) RHW, THHW, THW, THWN, XHHW, USE, ZW |
|---|---|---|
| 6 | 40 | 50 |
| 4 | 55 | 65 |
| 3 | 65 | 75 |
| 2 | 75 | 90 |
Can I use 2-22-2-4 al on a 100 amp breaker?
Spencer, make sure the AHJ in your jurisdiction will allow 2-2-2-4 Al to be used on a subpanel protected by a 100A breaker. Some will pass this, some will not. You may have to downsize the breaker to comply.
Can I use 2Al for a 100 amp feeder?
That said, I DO use #2al for 100 amp feeders (to sub-panels) ALL the time. This is absolutely legal and common in my area. The TABLE 310.15 (B (6) plus the Article 310.15 (B)B (6) indicates that the #2AL is suitable for the feeders in this case. I try to go one size larger or use the CU.
What is the smallest alum size for a wire?
I live on salt water. #6 is or used to be the smallest alum size allowed. Most of the quality guys would try to clean off the alum connection of alum-oxidation thats on the new wire and use liberal amounts of no-alox.
What kind of wire do you need for a mobile home?
The Southwire Company 500 ft. 2-2-4-6 AL MHF 100 Amp Cable is designed to connect mobile homes to a supply of electricity where permanent wiring is specified by the National Electrical Code. This cable is made of 4 RHH, RHW-2 or USE-2 aluminum alloy-compacted conductors.