Husband and wife separated. Household bills in his name. Wife in house who is responsible for bills? If he doesn't pay is he black listed or is it the address?

When you are seperated, his name is on the bills, his credit will suffer. The lawyer will do a financial audit of all the situation and give find a way for you to have emergency money (take out his pay later through court order deduction) to maintain the household. Seek a lawyer.

He will be blacklisted and lose his credit score. He is responsible for the bills. Say electricity shut off, the electric company sees his name and see him as a bad risk. You can reestablish in your name and start a good credit line.