Protective covers for notification appliances must be?

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Prepare for the Nevada Fire Alarm Technician Exam. Study using flashcards and multiple choice questions with hints and explanations. Get exam-ready now!

Multiple Choice

Protective covers for notification appliances must be?

Explanation:
Protective covers for notification appliances must be listed for use with the device because the listing confirms that the cover and the device have been tested together and won't adversely affect performance or safety. Using a cover that isn’t listed for that specific model can alter how the alarm operates, potentially affecting audibility or visibility, and can void the device’s listing and compliance. While weatherproof or fire-rated characteristics may be important in certain installations, the essential requirement across all uses is compatibility demonstrated by a proper listing.

Protective covers for notification appliances must be listed for use with the device because the listing confirms that the cover and the device have been tested together and won't adversely affect performance or safety. Using a cover that isn’t listed for that specific model can alter how the alarm operates, potentially affecting audibility or visibility, and can void the device’s listing and compliance. While weatherproof or fire-rated characteristics may be important in certain installations, the essential requirement across all uses is compatibility demonstrated by a proper listing.

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