## What size wire is needed for 200 amps?

Wire Sizes For 200 Amp Service AWG, American Wire Gauge, is the US standard for sizing electrical wiring. Wiring 200 amp service requires either #2/0 copper wiring or #4/0 aluminum or aluminum clad wiring.

## How many amps is #2 Thhn good for?

Allowable Ampacities of Insulated Copper 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 |
---|---|---|

6 | 55 | 75 |

4 | 70 | 95 |

3 | 85 | 115 |

2 | 95 | 130 |

**How many amps is #6 Thhn good for?**

#6 THHN is good for 65 amps at 75° C.

**How many amps is #4 Thhn good for?**

#4 THHN is only rated for 85 amps at 75° C. This would be for MC cable or conductors in a raceway. SE cable in thermal insulation or NM cable would be rated at 60° C which has an ampacity of 70 amps.

### What size wire do I need to run 200 amp Service 200 feet?

Per Article 250 of the NEC , The minimum size for a grounding conductor for a circuit protected by a 200 amp breaker is #6 copper or #4 Aluminum.

### How many wires do I need for a 200 amp service?

Copper-clad Aluminum It has lower conductivity when compared to copper. You should utilize two American wire gage aluminum wires for 200 amp service.

**What kind of Romex is used for outlets?**

The following NEC regulations apply to Romex conductors:

Wire Gauge or Type | Rated Amperage | Common Uses |
---|---|---|

14-2 Romex | 15 A | Lighting Circuits |

12-2 Romex | 20 A | Lighting and Outlet Circuits, refrigerator |

10-2 Romex | 30 A | Electric water heater, baseboard heaters |

10-3 Romex | 30 A | Electric Clothes Dryer |

**How many amps are #2 Good For?**

Wire Size & Amp Ratings

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

4 | 70 | 95 |

3 | 85 | 115 |

2 | 95 | 130 |

1 | — | 145 |

## Is 8 Thhn good for 50 amps?

No not safe to use a 50 amp breaker. The only time a 50 amp would be ok with #8 woul be if these were individual thhn wires in conduit. You need a 40 amp breaker. If the stove specifically calls for a 50 amp breaker the wire does need to be replaced in order to use a 50 amp breaker.

## Is #6 Thhn good for 60 amps?

For 60 ampere breakers, electricians and professionals suggest using a wire size gauge ranging from 6 AWG to 4 AWG. In particular, a 4 AWG copper cable can hold at least 70 amps of electricity before giving up. Meanwhile, a 6 AWG copper wire can only hold up to 55 amps before it falters.