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Plumbing and Pipefitting Licensure

Credits Available

P1 and P2: 46 credits, lower division level

  • Applied Mathematics of Plumbing: 4 credits, lower division level
  • Construction Blueprint Reading: 2 credits, lower division level
  • Construction Safety: 2.5 credits, lower division level
  • Intro to Plumbing: 5 credits, lower division level
  • Water Supplies: 2.5 credits, lower division level
  • Drain Waste Vent: 4 credits, lower division level
  • Plumbing Fixtures and Appliances Installation and Repair: 2.5 credits, lower division level
  • International Plumbing Code Part I: 2.5 credits, lower division level
  • International Plumbing Code Part II: 2.5 credits, lower division level
  • Gasoline Tank, Piping and Pump: 2.5 credits, lower division level
  • Wells, Pumps, Piping, & Treatment Systems: 6 credits, lower division level
  • Sewer, Storm and Water Lines: 2.5 credits, lower division level
  • Brazing, Cutting and Metallurgy: 2.5 credits, lower division level
  • Plumbing Associated Codes & Standards: 5 credits, lower division level

P6 and P7: 9.5 credits, lower division level

  • Construction Blueprint Reading: 2 Credits
  • Construction Safety: 2.5 Credits
  • International Plumbing Code Part II: 2.5 credits, lower division level
  • Sewer, Storm and Water Lines: 2.5 credits, lower division level

P8 and P9: 7 credits, lower division level

  • Construction Blueprint Reading: 2 Credits
  • Construction Safety: 2.5 Credits
  • Gasoline Tank, Piping and Pump: 2.5 credits, lower division level

J1 and J2: 15.5 credits, lower division level

  • Construction Blueprint Reading: 2 Credits
  • Construction Safety: 2.5 Credits
  • Water Supplies: 2.5 credits, lower division level
  • International Plumbing Code Part II: 2.5 credits, lower division level
  • Wells, Pumps, Piping, & Treatment Systems: 6 credits, lower division level

J3 and J4: 8.5 credits, lower division level

  • Construction Blueprint Reading: 2 Credits
  • Applied Mathematics of Plumbing: 4 credits, lower division level
  • Water Supplies: 2.5 credits, lower division level

Dates Valid

January 2008 through Indefinitely

Issuing Agency

Connecticut Department of Consumer Protection

About the Credential

P1 and P2

To qualify for the P1 & P2: Unlimited Plumbing/Pipefitting Contractor (P1) & Journeyperson (P2) license exam, candidates must have successfully competed 720 hours of classroom instruction plus 8000 hours of on-the-job training (OJT).

P6 and P7

To qualify for the P6 & P7: Limited (Sewer, Storm, & Water) Plumbing/Pipefitting Contractor (P7) & Journeyperson (P6) license exam, candidates must have successfully competed 180 hours of classroom instruction plus 2000 hours of on-the-job training (OJT).

P8 and P9

To qualify for the P8 & P9: Limited (Gasoline Tank, Piping, & Pump) Plumbing/Pipefitting Contractor (P9) & Journeyperson (P8) license exam, candidates must have successfully competed 144 hours of classroom instruction plus 2000 hours of on-the-job training (OJT).

J1 and J2

To qualify for the J1 & J2: Limited (Wells, Pumps, & Piping) Plumbing/Pipefitting Contractor (J1) & Journeyperson (J2) license exam, candidates must have successfully competed 288 hours of classroom instruction plus 4000 hours of on-the-job training (OJT).

Applying for the Credit

Submit a Credential Credit Application to apply for the credit.

  • Charter Oak students should log into the ACORN Student Portal and look in Student Self-Service / Student Forms.
  • Non-Charter Oak students should contact the PLA Office to request a Credential Credit Application.

Course Descriptions

Applied Mathematics of Plumbing: 4 credits, lower division level
Competencies covered in 72 hours of instruction in Basic Math Computations – A0001 (36 hours), and Plumbing Math – A0014 (36 hours).
Basic Math Computations – A0001

  1. Computations Using Real Numbers
  2. Computations Using Fractions
  3. Computations Using Decimal Fractions
  4. Base, Rate, and Portion
  5. Computation of Area and Volume
  6. Units of Measurements
Plumbing Math – A0014
  1. Basic Fundamental
  2. Pipe Length Calculations
  3. Volumes, Pressures and Capacities
  4. Physics

Construction Blueprint Reading: 2 credits, lower division level
Competencies covered in 36 hours of instruction of Blueprint Reading – A0031.
• Application of Building Codes and Standards
• Introduction to Blueprint Reading
• Alphabet of Lines and Symbols
• Orthographic Projection Drawings
• Construction Dimensions and Construction Materials
• Reading Plot Plans and Contour Maps
• Footings, Foundations and Floor Blueprint
• Structural Steel, Framing Blueprints
• Plumbing System Blueprints
• H.V.A.C. System Blueprints
• Electrical Systems Blueprints

Construction Safety: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in OSHA-30 – A0099.
• Introduction to OSHA – 2 hours
• Managing Safety and Health – 2 hours
• OSHA Focus Four Hazards – 6 hours
a. (1) Falls (minimum one hour and 15 minutes)
b. (2) Electrocution
c. (3) Struck-By (e.g., falling objects, trucks, cranes)
d. (4) Caught-In or Between (e.g., trench hazards, equipment)
• Personal Protective and Lifesaving Equipment – 2 hours
• Health Hazards in Construction – 2 hours
• Stairways and Ladders – 1 hour.
• Construction Topics - 12 hours
e. Concrete and Masonry Construction
f. Confined Space Entry
g. Cranes, Derricks, Hoists, Elevators, & Conveyors
h. Ergonomics
i. Excavations
j. Fire Protection and Prevention
k. Materials Handling, Storage, Use and Disposal
l. Motor Vehicles, Mechanized Equipment and Marine Operations; Rollover Protective Structures and Overhead Protection; and Signs, Signals and Barricades
m. Powered Industrial Vehicles
n. Safety and Health Programs
o. Scaffolds
p. Steel Erection
q. Tools - Hand and Power
r. Welding and Cutting

Introduction to Plumbing: 5 credits, lower division level
Competencies covered in 72 hours of instruction in Introduction to Plumbing – A0700 (36 hours), and Special Piping and Installation – A0709 (36 hours).
Introduction to Plumbing – A0700
A. The Plumbing Trade
B. Job Site Safety
C. Plumbing Math
D. Plumbing Materials
E. Plumbing Tools and Equipment
Special Piping and Installation – A0709
A. Copper Tubing
B. Plastic Piping
C. Gas Piping

Water Supply: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in Water Supply – A0705.
A. Sizing Water Supply Piping
B. Protecting the Potable Water Supply
C. Connecticut Cross Connection Control Manual

Drain, Waste and Vent: 4 credits, lower division level
Competencies covered in 72 hours of instruction in Drain, Waste and Vent I – A0706 (36 hours), and Drain, Waste and Vent II – A0746 (36 hours).
A. Joining, Installing and Support Pipe
B. Sanitary Drainage, Vent and Storm Water Drainage
C. Sizing Sanitary Drainage and Vent Piping
D. Plumbing Traps

Plumbing Fixtures and Appliances Installation and Repairs: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in Fixtures, Appliances Installation and Repairs – A0708.
A. Plumbing Fixtures and Appliances
B. Testing and Inspecting Plumbing Systems
C. Customer Service and Plumbing System Repairs

International Plumbing Code Part I: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in International Plumbing Code Part I – A0711.
A. International Plumbing Code, Chapters 1 thru 5, 8 & 10

Plumbing Associated Codes & Standards: 5 credits, lower division level
Competencies covered in 72 hours of instruction in International Mechanical Code – A0729 (36 hours), and Related Codes and Standards – A0730 (36 hours).
A. Administration of the International Mechanical Code
B. International Residential Code
C. National Fire Protection Association Standards

International Plumbing Code Part II: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in International Plumbing Code Part II – A0741.
A. International Plumbing Code Chapters 6, 7, 9, 11 & 12

Gasoline Tank, Piping and Pump: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in Gasoline Tank, Piping and Pump – A0749.
A. Installation of Underground Liquid Storage Systems
B. Installation of Aboveground Storage Systems for Motor Vehicle Fueling
C. Testing Electrical Continuity

Wells, Pumps, Piping, & Treatment Systems: 6 credits, lower division level
Competencies covered in 108 hours of instruction in Wells, Pumps and Piping I – A0750 (36 hours), Wells, Pumps and Piping II A0751 – (36 hours), and Water Treatment – A0752 (36 hours).
A. Well Fundamentals
B. Pumps
C. Components
D. Service
E. Water Quality Assurance
F. Electric Safety and Controls
G. Community Water Systems, Shared Wells and Groundwater Heat Pumps
H. Filtration Processes
I. Aeration Processes
J. Adsorption Process
K. pH Modification and Neutralization Processes
L. Ion Exchange Water Softening Process
M. Iron, Manganese and Hydrogen Sulfide Treatment
N. Multifunctional Treatment Systems
O. Drinking and Cooking Water Quality
P. Water Ailments- Symptoms, Causes and Remedies

Sewer, Storm and Water Lines: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in Sewer, Storm and Water Lines – A0754.
A. General Installation Methods
B. Concrete Pipe Installation
C. Ductile Pipe Installation

Brazing, Cutting and Metallurgy: 2.5 credits, lower division level
Competencies covered in 36 hours of instruction in Brazing, Cutting and Metallurgy – A2113.
A. Brazing, Braze Welding & Soldering
B. Cutting Operations
C. Pipe Welding
D. Welding Metallurgy
E. Metal Identification
F. Weldability of Carbon & Alloy Steels
G. Weldability of Tool Steels and Cast Iron
H. Weldability of Stainless Steel
I. Weldability of Nonferrous Metals
J. Distortion Control