electrical problems

[mbulriss]

Kurt,

That link as posted does not work. YouTube says "the video you
requested is not available".

FWIW,

Mike Bulriss
1991 WB40 "Texas Minivan"
San Antonio, TX - not a real good weekend to go to the coast!


--- In WanderlodgeForum@yahoogroups.com, "Kurt Horvath"
wrote:
>
>
> John,
>
> Your so right, "The thing can crush you, electrocute you, you can
> fall off, and then there is the road risk. I guess we can say it can
> get you coming and going as well as a couple ways in between."
>
> Speaking of road risk here's a vivid reminder of what can happen.
>
> Bus Crash Tes.tEver wonder what a bus crash looks like, check this
> out.
>
> http://www.youtube.com/watch?v=rrZr-Qzbfxo
>
> Kurt Horvath
> 95 PT-42
> 10AC
>
>
>
> --- In WanderlodgeForum@yahoogroups.com, "bubblerboy64"
> wrote:
> >
> > The 30 amp cord is pretty much a standard 110 with a funny plug on
> it
> > then? I knew that 220 was essentially two 110 hot wires but did
> not
> > know that the 50 was similar. Having been in a RV store not long
> ago
> > I noticed they had a featured item up near the check out a 50 amp
> > plug with a distinct pull handle on it. I think they also had 30amp
> > plugs similar. Didn't impress me at the time nearly as much as it
> > does now. I don't have 50 amps into my coach but I learned
> > something. I also did not realize the risk involved in the battery
> > campartments. I was informed last year at the Maxton rally about
> > that. I guess the low voltage stuff can be rather nasty as well.
> > Perhaps some one will review and explain what the risk with the low
> > voltage. Does make a rather nasty spark if you short the positive
> > against the metal I know that. All kinds of ways a fellow can get
> > hurt. I was up on the roof of my bird this morning and I was VERY
> > careful. I remember seeing Don's X rays. I don't much like it up
> > there but once a year I go up to check it over and see that all is
> > well. Lets see. The thing can crush you, electrocute you, you can
> > fall off, and then there is the road risk. I guess we can say it
> can
> > get you coming and going as well as a couple ways in between.
> >
> > John Heckman
> > central Pa
> > 1973 FC
> >
> >
> >
> > >
> > > I may not have been clear: It was the coach end of the shore
> cord,
> > not the connector that is part of the coach. The pole end is a
> molded
> > connector, but the coach end is not; don't know if that is original?
> > >
> > > There is a plastic ring cinched down to the cord, just behind the
> > connector. I never gave it much thought, but now I wonder why that
> is
> > there. It lends itself to be the point that is grabbed to pull the
> > connector out, but that puts strain on the wires in the connector.
> > Clearly I should grab the connector body to pull it out, not the
> > wires.
> > >
> > > On 8/28/2008 at 8:31 PM Curt Sprenger wrote:
> > >
> > > >Don,
> > > >
> > > >Great Post...Everyone...All of us with our older coaches need to
> > do what
> > > >Don
> > > >just did, check our coach connectors. I'll add that we should
> also
> > check
> > > >our
> > > >shore cord coach ends.
> > > >
> > > >.On Thu, Aug 28, 2008 at 5:34 PM, Don Bradner
> > > >wrote:
> > > >
> > > >> I've experienced two serious electrical problems on our
> > current trip.
> > > >> I'm hoping the second problem (solved) was the cause of the
> > first, but I
> > > >> can't get my head around exactly how it would be, so I'm
> hoping
> > someone
> > > >with
> > > >> more RV electrical experience than I have will have a clue. I
> > will rest
> > > >> easier if I know what caused the first problem.
> > > >>
> > > >> The first problem I talked about here earlier, but will run
> > through for
> > > >> clarity:
> > > >>
> > > >> With a lot of draw going on, I had the 50-amp breaker on the
> > park pole
> > > >> blow, plus the main inside breakers, plus the breaker for the
> > inverter.
> > > >> Power was lost on the inverter circuit, and did not return
> when
> > breakers
> > > >> were turned back on with reduced draw. The inverter, a ProSine
> > 2.0, is
> > > >toast
> > > >> - burnt components obvious when opening the case. I removed
> the
> > inverter
> > > >and
> > > >> wired input/output together for power on the inverted circuit
> > when on
> > > >park
> > > >> power, and bought a small charger to keep the batteries up
> while
> > parked.
> > > >>
> > > >> Xantrex sent out a new ProSine 2.0 (half-price, well out-of-
> > warranty)
> > > >and I
> > > >> will get it tomorrow. I've been worrying about hooking it up
> > without
> > > >knowing
> > > >> what caused the failure.
> > > >>
> > > >> Problem number 2: Yesterday I moved, and on arrival at a park
> in
> > Ogallala
> > > >> the 50-amp park breaker blew as soon as turned on. After
> turning
> > off the
> > > >> internal main breakers I was able to get the park breaker to
> > hold after
> > > >one
> > > >> more failure. The breaker was "spongy" so I wasn't sure if it
> > was just
> > > >weak.
> > > >> Turning on the main breakers inside worked fine.
> > > >>
> > > >> Moved again today, and the problem repeated except that
> nothing
> > would
> > > >make
> > > >> it work. In trying various things I found that my 30/50 cord
> > worked fine.
> > > >>
> > > >> So, I took the coach connector apart and found:
> > > >>
> > > >> Screw for black wire fell out, and was quite black on the end.
> > White and
> > > >> Red attached, but screw not tight. Green was not attached at
> > all - screw
> > > >all
> > > >> the way in, and wire laid across the top. Contacting case, but
> > who knows
> > > >how
> > > >> well.
> > > >>
> > > >> It is amazing I had power at all. I cut the end off and
> rebuilt
> > the
> > > >> connector, and had no problem turning on the power.
> > > >>
> > > >> It would seem to be an odd coincidence if problem one was not
> > caused by
> > > >> problem two, but since the ProSine 2.0 should in theory work
> > regardless
> > > >of
> > > >> what occurs on the input side I'm not sure what the connection
> > is.
> > > >Anybody
> > > >> have thoughts on this?
> > > >>
> > > >> Don Bradner
> > > >> 90 PT40 "Blue Thunder"
> > > >> Posting today by satellite from Grand Island, Nebraska
> > > >> My location: http://www.bbirdmaps.com/user2.cfm?user=1
> > > >>
> > > >>
> > > >>
> > > >
> > > >
> > > >
> > > >--
> > > >Curt Sprenger
> > > >1987 PT38 8V92 "MacAttack Racing"
> > > >Anaheim Hills, CA
> > >
> >
>