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Old 05-22-2018, 12:13 AM   #1
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Proper procedure for plugging camper into house 110 outlet

When I plug in my trailer at home to keep the battery charged, i get the typical “spark” when plugging in a live outlet. I use a 30/15 amp pigtail and run a 12 gauge extension cord to the outlet.

Is this ok or do I need to shut off house or trailer breaker then plug in and flip the house/ trailer breaker back on? Seems to me a breaker is not supposed to be used as a “switch” since it will weaken it.
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Old 05-22-2018, 01:31 AM   #2
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I’d guess that it’s less bad to use the breaker as a switch vs having a spark.
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Old 05-22-2018, 02:03 AM   #3
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I always make it a habit to never plug or unplug anything under load ie. drawing current.Simple matter to flip the main breaker off, plug in, then turn breaker back on. The greater the load the bigger the spark!Imagine it like unscrewing your hose with the water on.
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Old 05-22-2018, 08:28 AM   #4
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Proper procedure for plugging camper into house 110 outlet

Nothing is under load on the trailer. Everything is off. I know the detectors are battery powered and active even the battery itself.

So use the main breaker in the trailer or the breaker for the house outlet?
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Old 05-22-2018, 08:39 AM   #5
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Originally Posted by ArkansasGreyWolf View Post
Nothing is under load on the trailer. Everything is off. I know the detectors are battery powered and active even the battery itself.

So use the main breaker in the trailer or the breaker for the house outlet?

We have discussed this before. When you plug into 120 volt AC power, your converter immediately comes on, so there is a load present. Depending on the converter/DC load initially presented to it, can also depend on how much AC load is initially present.


Many people forget about the converter, since it's usually out of sight/out of mind.


RV Converters and Amp Draw - RV Information (RV Maintenance)
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Old 05-22-2018, 09:06 AM   #6
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We have discussed this before. When you plug into 120 volt AC power, your converter immediately comes on, so there is a load present. Depending on the converter/DC load initially presented to it, can also depend on how much AC load is initially present.


Many people forget about the converter, since it's usually out of sight/out of mind.


RV Converters and Amp Draw - RV Information (RV Maintenance)


Thanks. I will get an outlet on/off switch adapter to use for this purpose since the House breaker to this outlet is inconvenient to get to. I only plug the trailer up on weekends (when I am home) as to not leave it unattended.
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Old 05-22-2018, 12:14 PM   #7
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I just shut off the main breaker in the trailer. Much easier to get to.
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Old 05-22-2018, 12:25 PM   #8
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I used to switch off the main breaker in my MH before connecting to my 20A garage outlet. Now I have the Progressive EMS in line, it has a 2 minute delay when power is applied before it switches to the MH load. I just plug and let the EMS do its thing!
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Old 05-22-2018, 12:48 PM   #9
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When I plug in my trailer at home to keep the battery charged, i get the typical “spark” when plugging in a live outlet. I use a 30/15 amp pigtail and run a 12 gauge extension cord to the outlet.

Is this ok or do I need to shut off house or trailer breaker then plug in and flip the house/ trailer breaker back on? Seems to me a breaker is not supposed to be used as a “switch” since it will weaken it.
At 99.9% of the Campgrounds "Power Pedestals" have Breakers that "Should be OFF" before plugging in! I have never seen a Pedestal with a "Main Disconnect Lever"! Use your Breakers! Youroo!!
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Old 05-22-2018, 12:56 PM   #10
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When I still had my house and parked my RV next to the garage, I had a dedicated high-end power strip that I plugged my 5'ver into.

I would turn the power strip off when I plugged in...then turn it on and got no spark.

As for the pedistals at campgrounds and RV parks, I almost always find them still turned on from whomever was in the spot before me.

I, of course, flip them off (as well as give them the mental middle finger ) before I plug in!
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