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Everything about wireless fire alarm equipment

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Dependent on the company's Directions, you will then be recommended to make use of either a length of bell wire / twin cable to serve as an interlink cable, or 3-core and earth (which is often adopted in newer installations). You could detect the location of the fire due to https://wireless-fire-alarm-syste47789.blogsumer.com/34479835/wireless-fire-alarm-systems-an-overview

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