State, City and County Exams
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Washington DC
License Exam Preparation

August 2018 Update
The exam administrator has changed to PSI.  ICC is no longer publishing exam bulletins for the exams shown.

New bulletins are published on the PSI web site

Boiler trades have (apprently) been eliminated.
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Districtwide Classifications

 

Electrical

220

Master Electrician

307

Journeyman Electrician

309

Low Voltage Electrician

338

Journeyman Sign Electrician

824

Residential Maintenance Electrician

 
 

Plumbing

300

Master Gas Pipe Fitter

301

Journeyman Gas Pipe Fitter

302

Journeyman Plumber

303

Master Plumber

304

Master Plumber with Gas

310

Journeyman Plumber with Gas

 
 

Mechanical

311

Master A/C and Refrigeration Mechanical

312

Journeyman A/C and Refrigeration

322

Master Refrigeration and Air Conditioning Mechanic Limited

 

Additional Notes

999 Numbered trade codes refer to old ICC exam codes.

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