New Hampshire apprentices are eligible to test for a journeyman license after 8,000 hours or 4 years working as an apprentice. Journeyman are eligible to test for a master plumber license after just 6 months.
Read MoreNew Hampshire apprentices are eligible to test for a journeyman license after 8,000 hours or 4 years working as an apprentice. Journeyman are eligible to test for a master plumber license after just 6 months.
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