DC Journeyman Plumber (302) Plumbers moving beyond apprenticeship into independent service calls and crew leadership typically pursue the DC Journeyman Plumber credential. The 302 exam covers code compliance, blueprint reading, and troubleshooting complex drainage systems—skills supervisors routinely delegate to licensed journeymen. Most candidates already work in the field and use this certification to document competency for licensing boards and employers seeking verifiable expertise.
| Exam Name | DC Journeyman Plumber |
| Exam Code | 302 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
