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#11
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Alarm system transformer + power supply (would both go bad atonce?)
On Tue, 26 Nov 2013 01:33:21 -0500, tm wrote:
If someone mixed up that wiring, it could present a short circuit to the power supply and battery. The alarm has been working for years, so, I'm pretty sure the wires didn't all of a sudden get changed. The good news is that the new transformer arrived today. However, the voltage output wasn't at all what I had expected from a 16.5VAC transformer secondary. http://farm6.staticflickr.com/5532/1...7612e531_o.gif I measured: a) 20 VAC across the secondary b) 3.54 VAC across on side of the secondary to ground c) 0.98VAC across the other side of the secondary to ground Huh? |
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