## What size wire is good for 140 amps?

Wire Size & Amp Ratings

Copper | ||
---|---|---|

Wire Gauge Size | 60°C (140°F) NM-B, UF-B |
90°C (194°F) THWN-2, THHN, XHHW-2, USE-2 |

14 | 15 | 25 |

12 | 20 | 30 |

10 | 30 | 40 |

## What gauge wire do I need for a 150 foot run?

150 Foot Run – A 120-volt circuit on a 20 amp breaker will require **6/2 AWG** wire for 150 feet.

## What size wire do I need for a 100 foot run?

Sizing the wires, or conductors, for an underground cable is no different than sizing for other household circuits and is typically based on the total load, or electrical demand, of the devices on the circuit.

For 240-volt circuits:

14 AWG |
100 feet |
---|---|

10 AWG | 128 feet |

8 AWG | 152 feet |

6 AWG | 188 feet |

## What size wire do I need for a 100 amp underground 150 ft run?

#00 AWG wire

Wire Size For 100 Amp Sub Panel 150 Feet Away

100 amp service 150 feet away from the sub panel requires **#00 AWG wire** (also known as 2/0 AWG wire). This wire has a median ampacity of 175 amps; more than enough than the required minimum 162.5 ampacity.

## How do I calculate what size wire I need?

**How do I calculate wire size for motors?**

- Multiply the resistivity (Ω•m) of the conductor material by the peak motor current (A), the number 1.25, and the total length of the cable (m).
- Divide the result by the voltage drop from the power source to the motor.
- Multiply by 1,000,000 to get the result in mm
^{2}.

## What size wire do I need for 175 amps?

Wire Size and Amp Ratings

Wire Size | 75°C (167°F) | |
---|---|---|

AWG | (mm²) | Copper |

1/0 | (53.5) | 150 |

2/0 |
(67.4) | 175 |

3/0 | (85.0) | 200 |

## What size wire do I need for 30 amps at 200 feet?

In most cases, you will need an **#8 AWG** wire for a 30 amp 240V circuit. The key for 30 amp wire sizing is to account for 2 NEC codes, namely: NEC 220-2 Code. This requires that a conduit wire’s maximum load (30 amps) represents 80% of ampacity of that wire.

## What wire size do I need to go 100 feet for a 100 amp service to a workshop?

For a 100 ampere circuit, the conductors will likely be required to be **3 AWG copper or 1 AWG aluminum**.

## What size wire do I need to run 50 amp service 150 ft?

To run 50 amps at 150 feet, you can use **No.** **4 AWG**. The larger the wire diameter is defined by the smaller numbers on a wire.

## What size wire do I need for 125 amp service?

125A is #1 copper or #1/0 aluminum (you need to call it 120A feeder, but you get to round up to 125A breaker since 120A is not made.) If you need full declared 125A you’d need **2/0 aluminum**.

## What size wire do I need to run for 100 amp sub panel?

The cable must have a wire gauge sufficient to the amperage of the subpanel—a 100-amp subpanel requires **#4 copper wires** or, more commonly, #2 aluminum wires, for example. (Aluminum is often used for feeder cables because the cost is typically much lower than that of copper wires.)

## What size wire do I need for 100 amp service 300 feet?

for 300 feet for 100 amp rated service I would use **Aluminum direct burial 1/0-1/0-1/0-1/0**, the forth can be as low as #4 for the ground (but also in conduit, even if in conduit must still be rated underground wire and required by code also) Also note the size wire the breaker can handle, cannot cut strands to make fit,

## What wire size do I need to go 100 feet for a 60 amp service to a workshop?

The rule of thumb for voltage loss dictates that if the length of the 60 amp wire is 100 feet, we will see a 20% voltage drop. That means that 4 AWG wire will not suffice; we might have to use **3 AWG** wire for a 60 amp breaker at a 100+ feet distance.

## How far can you run a 50 amp wire?

The next wire size that can handle more than 75A is the 4 AWG gauge wire. This one can handle at 85A and is usually used as a 50 amp wire size for **100 feet away sub panels**.

## Will 8 gauge wire carry 50 amps?

Can 8-Gauge Wire Handle 50 Amps? A copper conductor’s conductivity is affected by temperature. Up to a point, the higher the temperature, the higher the current the wire can handle. **An 8-gauge wire can handle a current of 50 amps at a temperature of 90-Celsius or 194-Fahrenheit**.

## What gauge wire do you use with a 50 amp breaker?

6

50 AMP Wire Size

For a maximum of 50 amps, you’ll need a **wire gauge of 6**. Fifty amp breakers are most often used to power many different appliances. However, a kitchen oven can alone require 50 amps.

## What size is 200 amp service wire?

The Short Answer: For a 200 amp service, you’ll need a **#4/0** aluminum wire.

## Will #2 wire fit in a 100 amp breaker?

A 100 amp sub panel wiring size requirement is #4 for copper wires and **#2 for aluminum wires**.

## Is 150 amp service enough?

Many newer homes and some older large homes have a 150- or 200-amp service panel. This type of service **might be required in a home that uses a lot of large electrical appliances and includes heating and air conditioning equipment**.