NC Plumbing License Exam Newest 2026 Complete
Questions With 100% Correct Answers graded A+
Guaranteed Success
Osha 300 A must be posted when? -Correct Answer ✔-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? -Correct Answer ✔-Information on protection
against lead paint.
Final Inspection is due within how many days of work completion? -Correct
Answer ✔-10
You must renew your license in ___ days or within ___ years. -Correct Answer ✔-
1094 or 3
Why do you need a license? -Correct Answer ✔-to protect the public
DWV Copper -Correct Answer ✔-Yellow Writing
Type K Copper -Correct Answer ✔-Green Writing
Type M Copper -Correct Answer ✔-Red Writing
Type L Copper -Correct Answer ✔-Blue Writing
What is the purpose of Pipe Dope? -Correct Answer ✔-seal and lubricate
When does your license expire? -Correct Answer ✔-The last day of December
How many working hours are there in a week? -Correct Answer ✔-168
, Purpose of Flux -Correct Answer ✔-Clean and protect
Purpose of a Trap -Correct Answer ✔-Keep Gas/Sewer from coming in the room
Purpose of a Vent -Correct Answer ✔-to protect the trap
Seal -Correct Answer ✔-Tight/Gas Tight
H2 Heating License -Correct Answer ✔-A/C over 15 tons
H1 Heating License -Correct Answer ✔-Wet/Steam Heat to heat Building
How many licenses can you hold? -Correct Answer ✔-1
Each location of your company must have what? -Correct Answer ✔-A license
holder
How many feet must you be within to connect to the sanitary sewer? -Correct
Answer ✔-200
Septic Tanks are installed when -Correct Answer ✔-more than 200 feet away from
sanitary sewer
Lien must be filed within how many days after last supply of labor or materials? -
Correct Answer ✔-120
How many days must a lien be enforced after the last materials or labor are
provided? -Correct Answer ✔-180
PVC has a maximum of _____ ft hanger space -Correct Answer ✔-4
Questions With 100% Correct Answers graded A+
Guaranteed Success
Osha 300 A must be posted when? -Correct Answer ✔-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? -Correct Answer ✔-Information on protection
against lead paint.
Final Inspection is due within how many days of work completion? -Correct
Answer ✔-10
You must renew your license in ___ days or within ___ years. -Correct Answer ✔-
1094 or 3
Why do you need a license? -Correct Answer ✔-to protect the public
DWV Copper -Correct Answer ✔-Yellow Writing
Type K Copper -Correct Answer ✔-Green Writing
Type M Copper -Correct Answer ✔-Red Writing
Type L Copper -Correct Answer ✔-Blue Writing
What is the purpose of Pipe Dope? -Correct Answer ✔-seal and lubricate
When does your license expire? -Correct Answer ✔-The last day of December
How many working hours are there in a week? -Correct Answer ✔-168
, Purpose of Flux -Correct Answer ✔-Clean and protect
Purpose of a Trap -Correct Answer ✔-Keep Gas/Sewer from coming in the room
Purpose of a Vent -Correct Answer ✔-to protect the trap
Seal -Correct Answer ✔-Tight/Gas Tight
H2 Heating License -Correct Answer ✔-A/C over 15 tons
H1 Heating License -Correct Answer ✔-Wet/Steam Heat to heat Building
How many licenses can you hold? -Correct Answer ✔-1
Each location of your company must have what? -Correct Answer ✔-A license
holder
How many feet must you be within to connect to the sanitary sewer? -Correct
Answer ✔-200
Septic Tanks are installed when -Correct Answer ✔-more than 200 feet away from
sanitary sewer
Lien must be filed within how many days after last supply of labor or materials? -
Correct Answer ✔-120
How many days must a lien be enforced after the last materials or labor are
provided? -Correct Answer ✔-180
PVC has a maximum of _____ ft hanger space -Correct Answer ✔-4
