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Old 01-04-2015, 02:27 PM   #15
Figment of My Imagination
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2012 Interstate Coach
Metairie , Louisiana
Join Date: Dec 2011
Posts: 9,085
Originally Posted by rmkrum View Post
One of these has saved my butt multiple times. Check twice on a known hot line to verify its working, then test the circuit you thought you turned off. All the other wires in the box as well. Homes have multiple circuits in one box sometimes. Don't ask me how I know this...
Lock-out/tag-out is a basic electrical safety principle. You check to make sure the circuits are turned off before you work on them. Then you also make sure no one else can turn them back on while you're working on them.

Since RVs aren't really set up for lock-out, you have to rely on tag-out. A big red tag that says something like "Under Repair - Do NOT turn on!" at the switch or breaker or both. The tag stays in place until you personally remove it.

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Old 01-04-2015, 03:08 PM   #16
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Do yourself a favor

#1 Get a volt meter…BUT DONT do what I did.

I got a really good Fluke (brand ) it's a pro tool, love it. But it's for ELECTRICIANS….and it registers in one volt increments, because electricians don't care about tenths of a volt. I need to know my Batt range from 12.0 to 12.8 volts resting, AND 13.8 charging

#2 Get yourself a small plug in AC polarity checker 3 or 4 bucks ? They tell at a glance, which AC wire is broken, which wires are touching, and if the wires are switched. I have had switched polarity at campgrounds, or switched polarity of extension cables. When you touched my camper while barefooted, you got a shock. Luckily, I have an old trailer with a warning light on the outside of the trailer

#3 A cigarette style plug in DC volt meter. You can tell at a glance if charger is on and what your batt voltage is. ( you still need a portable volt meter for checking stuff)

#4 tools- philips and flat head screwdrivers, wire stripper/cutter, knife, electrical tape

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