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Old 12-10-2012, 09:51 PM
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1idejim 1idejim is online now
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Join Date: Jul 2009
Location: State of Jefferson
Posts: 7,530
Originally Posted by Wet_Boots View Post
You can get effective resistance readings with all the zone wiring still in place, because the controller triacs won't pass through the minute amount of voltage emanating from an ohmmeter of the modern solid-state variety.

And it's still worth having a clamparound that leaves all the wiring in place - saves time.
Let me add this, i only remove the common when performing Voltage - Resistance - Amperage tests. i install the jumper when i remove the common.
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