TL;DR
The safety reversal test is a check of a garage door opener's auto-reverse function, performed by laying a 2x4 flat under the closing door and confirming the door reverses within two seconds of touching it. UL 325 has required this entrapment protection, along with photoelectric eyes, on residential openers since 1993.
What it means
The safety reversal test is a check of a garage door opener's auto-reverse function, performed by laying a 2x4 flat under the closing door and confirming the door reverses within two seconds of touching it. UL 325 has required this entrapment protection, along with photoelectric eyes, on residential openers since 1993. Technicians run the test after spring or opener work, and manufacturers recommend homeowners repeat it monthly.
Where it sits in the glossary
Safety reversal test is part of the Trade jargon group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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