Medium-, high-, and very-high-pressure appliances: Table 1 evacuation levels (including the pre/post November 15, 1993 equipment trap), what counts as major maintenance, and the verification tests and leak inspections that follow a repair. Every answer shows the rule and its citation.
Rules current as of October 21, 2026.
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Studying for the real exam, or a certified tech checking the new rules? Either way, if an old study guide disagrees with an answer here, the citation under the answer is the one to trust.
