TW or THHN

[jmcr]

You can use #12 TW cable for a 15 and 20 amps branchs circuits in a dwelling to replace the #12 THHN cable?

 

[77401]

WHY? would you want to?
Let me guess? An engineer?

 

[charlie b]

If it's your own dwelling, and if you are planning to do the replacement yourself, then we are not permitted to assist you. Therefore, I should like to ask the reason for your question.