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If Your Home Smoke Alarm Doesn't Have This Symbol, It's Time to Replace It

If the alarm does meet these specific standards it will have a marking from UL or ETL, or phrasing like "conforms to UL 217" ...
WFMY News2

Spring Forward this weekend, but you probably don't have to change your smoke alarm batteries. Here's why...

GREENSBORO, N.C. — Since the beginning of time, you've heard how when it's time to change your clocks it's also time to change your smoke detector batteries. But the message is changing. "We used to ...
fox43

State officials remind residents to change smoke detector batteries when they change their clocks this weekend

HARRISBURG, Pa. — The Shapiro administration on Thursday issued a reminder to Pennsylvanians to change the batteries in their smoke alarms and carbon monoxide detectors while changing their clocks for ...