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Minnesota Department of Labor and Industry Minnesota Department of Labor and Industry Powered by Google


Opinion: Hardwired smoke detectors

Subject:

Hardwired smoke detectors

Code:

Applicable Sections of the Minnesota State Building Code: R317.1.1

Submitted by:

Uniformity Committee

Approved By:

Thomas Joachim, State Building Official

Issue Date:

January 2005

Question:

Are hardwired smoke detectors required in existing areas where no work is performed when a building permit is required on the interior of the building?

Answer:

No. Battery-operated detectors are required. Where work framing is exposed or finishes are removed hardwire smoke detectors are required.

Answer:

No. Where framing is not exposed or finishes are not removed battery operated detectors are allowed to be used

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