answersLogoWhite

0


Best Answer

8 AWG copper.

User Avatar

Wiki User

13y ago
This answer is:
User Avatar
More answers
User Avatar

AnswerBot

8mo ago

For a 42 amp circuit, you should use at least a 8-gauge wire to ensure it can handle the current safely and prevent overheating. It's always best to consult the National Electrical Code (NEC) or a licensed electrician for specific wiring requirements to ensure compliance with local regulations.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What size wire do you need for 42 amp circuit?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the recommended wire size for a 30 amp circuit?

The recommended wire size for a 30 amp circuit is typically 10 gauge wire.


What is the recommended wire size for a 60 amp circuit?

The recommended wire size for a 60 amp circuit is typically 6-gauge wire.


What is the appropriate wire size for a 60 amp circuit?

The appropriate wire size for a 60 amp circuit is typically 6-gauge wire.


What is the recommended wire size for a 220v 20 amp circuit?

The recommended wire size for a 220v 20 amp circuit is typically 12-gauge wire.


What is the recommended wire size for a 220v 30 amp circuit?

The recommended wire size for a 220v 30 amp circuit is typically 10 gauge wire.


What is the recommended wire size for a 240V 30 amp circuit?

The recommended wire size for a 240V 30 amp circuit is typically 10 gauge wire.


What is the recommended wire size for a 30 amp dryer circuit?

The recommended wire size for a 30 amp dryer circuit is typically 10 gauge wire.


What is the recommended wire size for a 40 amp circuit?

The recommended wire size for a 40 amp circuit is typically 8 AWG (American Wire Gauge).


What is the recommended wire size for a 30 amp 240v circuit?

The recommended wire size for a 30 amp 240v circuit is typically 10 gauge wire.


What is the appropriate wire size for a 20 amp 220v circuit?

The appropriate wire size for a 20 amp 220v circuit is typically 12-gauge wire.


What is the appropriate wire size for a 220v 30 amp circuit?

The appropriate wire size for a 220v 30 amp circuit is typically 10 gauge wire.


What is the appropriate wire size for a 240V 30 amp circuit?

The appropriate wire size for a 240V 30 amp circuit is typically 10 gauge wire.