Sunday, 31 July 2011
A Domestic Fire Alarm Method Needs To Be Put In On A Separate Circuit Independent From Any Other Companies
A domestic fire alarm method needs to be put in on a separate circuit independent from any other companies and have battery back up. The fire alarm heads for domestic premises commonly come with a person internal 9V battery back-up. The circuit has a very low power supply desire and can be fed from a 5A MCB and has to be wired in between every head with one.0 mm or one.five mm, three core and earth cable for linkage amongst the heads. The highest duration
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