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Published: 5 November 2004
Category: Q&A
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Answer:
A maintained product is illuminated all the time and in the event of a power failure changes to battery back up. A non-maintained product only comes on in the event of a power failure.
A maintained product is illuminated all the time and in the event of a power failure changes to battery back up. A non-maintained product only comes on in the event of a power failure.
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