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07-13-2006, 12:07 AM
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#1
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Montana Master
Join Date: Nov 2003
Location: Drexel Hill
Posts: 897
M.O.C. #627
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circut breakers
i thought it would be a good idea to carry a couple of spare breakers-just in case.I`ve heard when a breaker trips that it weakens that breaker.Whats involved in changing out a breaker?Does the whole panel have to be removed to replace a breaker?Are the breakers held in with screws??
John
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07-13-2006, 01:29 AM
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#2
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Montana Master
Join Date: Jul 2004
Location: Conover
Posts: 995
M.O.C. #1832
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There are two crews that hold th plastic panel front on. Remove those and you can expose the breakers. Make sure all power is off. Remove the breaker that is bad by simply pulling it out, then you can remove the wire hot lead from it and replace in like manner, very simple.
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07-13-2006, 01:49 AM
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#3
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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I would not worry about carrying spares, if a breaker trips, it is a overload or short that trips it. This does not weaken the breaker. Don't use a breaker as a on and off switch, keep the wires tight on all the breakers, and heat is your enemy with electrical panels. I don't like my panel being high in the bathroom with the converter in an enclosed space. I like a poster's idea of installing the small 'muffin' fan in the vent above the washer and dryer closet.
The converter has a built in fan for cooling controlled by a bi-metal disk that warps at a higher temperature, closing a normally open set of contacts, engaging the fan, when it cools, it opens the fan circuit. Only problem is, it's blazing hot up there all the time. I think they have a roof vent right above that panel, which is good.
The breaker, (mine) is what they call a stab lock, it hinges on the rear of the breaker and snaps into the buss bar. Mine are (120/240 S-1 type/typo homeT Square D)
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07-13-2006, 05:27 PM
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#4
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Montana Master
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
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Quote:
quote:Originally posted by Ozz
I would not worry about carrying spares, if a breaker trips, it is a overload or short that trips it. This does not weaken the breaker.
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When breakers trip it is caused by the amperage through it is more than it is rated for. Current causes heat and if it trips too much because of a shorted condition in the circuit, the breaker will definitely become weaker in its ability to handle its rated current. A good example of this can be found in a lot of the older campgrounds where the electric box is continually subjected to direct, hot sunlight. A lot of times these 30 amp breakers will trip at something less than 30 amps. You wouldn't think that they weaken, but my experience has been that they do.
Orv
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07-14-2006, 01:07 AM
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#5
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Orv,
In an RV application, such as the post by John, when a breaker trips it does not weaken the breaker. I have 34 years of electrical troubleshooting experience to back that statement up.
You are bringing up an example of an older campground and commercial use. I agree with you in that anything wears out over time and becomes weakened. He was asking about his Rv, not a campground.
Take care, Jim
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07-14-2006, 05:18 PM
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#6
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Montana Master
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
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Quote:
quote:Originally posted by Ozz
Orv,
In an RV application, such as the post by John, when a breaker trips it does not weaken the breaker. I have 34 years of electrical troubleshooting experience to back that statement up.
You are bringing up an example of an older campground and commercial use. I agree with you in that anything wears out over time and becomes weakened. He was asking about his Rv, not a campground.
Take care, Jim
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I don't want to make an issue of this because you are right and so am I. I won't mention how many years of experience I have but I did have a 20 amp breaker on my AC that kept tripping until I picked up a new one from Camping World 3 years ago and this one hasn't tripped yet.
Thanks for the help,
Orv
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07-15-2006, 01:28 AM
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#7
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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OK Orv, I give up.
That's why I said anything wears out over time and becomes weakened.
Have a good one, Ozz.
By the way, there aren't too many states you haven't been to, any plans to fill in the spaces on your map?
Ozz
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07-15-2006, 02:23 AM
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#8
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Montana Master
Join Date: Aug 2004
Location: Cedar Rapids
Posts: 4,876
M.O.C. #1944
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Quote:
quote:Originally posted by Ozz
OK Orv, I give up.
That's why I said anything wears out over time and becomes weakened.
Have a good one, Ozz.
By the way, there aren't too many states you haven't been to, any plans to fill in the spaces on your map?
Ozz
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The states that are filled in are the states we've slept in. We've been through N. Dak but have never stayed there. We've yet to visit the New England states. Maybe someday, the Lord willing.
Orv
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07-15-2006, 02:52 AM
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#9
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Montana Fan
Join Date: Nov 2004
Location: Hudson
Posts: 480
M.O.C. #2446
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Breakers should be exercised periodically. Once a year you should manually throw each breaker off and on. Breakers can go bad either by not tripping during an over current or by false tripping with a moderate load.
Any mechanical / electrical device has many failure points.
Dust, dirt, corrosion and water damage are all potential reasons for failure.
Breakers are not hermetically sealed units and are more prone to not tripping due to corrosion than any other type of failure.
__________________
Chris Donna and Oliver the rescue Dog.
Old 3255RL It is a weekend warrior and less than 15K miles. Mostly sits at the house. Home is where the heart is.
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07-26-2006, 02:32 AM
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#10
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Montana Master
Join Date: Oct 2004
Location: Grand Blanc
Posts: 902
M.O.C. #2216
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Couple more thoughts on the breaker problem. Our Apollo suddenly started tripping for no apparant reason ('05 Monty), so I replaced the breaker 2 mos. ago & it hasn't tripped since. Wore out, tired, hot, who knows.
The other thing is I talked to 2 electricians and both said that the tandem breakers used in these panels are not the best in the world. Heat transfer between the 2 breakers is considerably more than in a single breaker. In my case, the Apollo was on a 15a/20a tandem. The 15A side is the bedroom; I suspect those hair dryers draw a lotta juice, hence the breaker may be on the edge if several 110v lights plus other stuff is on too.
He suggested replace the tandem that the Appolo is on w/a single 20A. May just do that...
For what its worth.
__________________
Jim & Bev
2011 3465 SA
2015 GMC Sierra 3500HD Duramax Crew Cab
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07-26-2006, 03:09 AM
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#11
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Montana Master
Join Date: Jul 2004
Location: Conover
Posts: 995
M.O.C. #1832
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These Apollos are not best in world either they have gone bad in lots of others out there. i suspect don't know for fact that they may be having issues that could cause high draw as well.
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07-26-2006, 06:10 AM
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#12
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Montana Master
Join Date: Oct 2004
Location: Grand Blanc
Posts: 902
M.O.C. #2216
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Broome101,
I totally agree. Had one in our '04 Cougar go up in smoke, & it didn't even trip the breaker when the internal wiring started to melt.
Boy, did that stink up the trailer...
__________________
Jim & Bev
2011 3465 SA
2015 GMC Sierra 3500HD Duramax Crew Cab
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