How to Prepare
Study System Overview
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Colorado
License Exam Preparation
Statewide Classifications
Electrical (PSI)
ME
Master Electrician
JW
Journeyman Wireman
RW
Residential Wireman
Plumbing (PSI)
MP
Master Plumber
JP
Journeyman Plumber
RP
Residential Plumber
Denver City & County
Electrical (ICC)
377
Electrical Signal Supervisor
380
Journeyman Electrical Signal
Mechanical (ICC)
227
Stationary Engineer
228
Refrigeration Operator
F29
Master Mechanical
F31
Journeyman Mechanical
F32
Residential Mechanical – Class C
F33
Master Gas Pipe Fitter
F34
Journeyman Gas Pipe Fitter
General Builder (ICC)
F11
General Building Contractor (A)
F12
Building Contractor (B)
F13
Residential Building Contractor (C)
Fire Supression (ICC)
F35
Fire Supression Installation Contractor- Class DF
