NC PLUMBING LICENSE EXAM QUESTIONS WITH 100% CORRECT ANSWERS L LATEST VERSION 2025/2026.

NC PLUMBING LICENSE EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS L LATEST VERSION 2025/2026.




Osha 300 A must be posted when? - ANS between February 1st and April 30th



If you remove 2 sq ft or more of sheetrock from a home built prior to 1978, what must you
provide the home owner? - ANS Information on protection against lead paint.



Final Inspection is due within how many days of work completion? - ANS 10



You must renew your license in ___ days or within ___ years. - ANS 1094 or 3



Why do you need a license? - ANS to protect the public



DWV Copper - ANS Yellow Writing



Type K Copper - ANS Green Writing




1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.

, Type M Copper - ANS Red Writing



Type L Copper - ANS Blue Writing



What is the purpose of Pipe Dope? - ANS seal and lubricate



When does your license expire? - ANS The last day of December



How many working hours are there in a week? - ANS 168



Purpose of Flux - ANS Clean and protect



Purpose of a Trap - ANS Keep Gas/Sewer from coming in the room



Purpose of a Vent - ANS to protect the trap



Seal - ANS Tight/Gas Tight



H2 Heating License - ANS A/C over 15 tons



H1 Heating License - ANS Wet/Steam Heat to heat Building



How many licenses can you hold? - ANS 1



Each location of your company must have what? - ANS A license holder

2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.