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1. What is the least amount of slope a shingle roof can have?
2. How deep and wide must my house footings be?
3. What rooms require arc-fault circuit protection in a dwelling?
4. What is the minimum size required for a commercial kitchen grease trap?
5. How is the number of plumbing fixtures calculated for a commercial project?
6. What is the minimum size service disconnect required for a dwelling?
7. What is the minimum distance required between commercial intake and exhaust openings?
8. Can plastic duct be used as a clothes dryer exhaust duct?
9. Why is the gas pipe inside my house required to be larger in diameter than the one from the supplier?
10. What is the minimum depth required for buried (yard) gas piping?