Today's Message Index:
----------------------
1. 05:49 AM - Re: Please critique my Z-11-based electrical design (user9253)
2. 08:55 AM - Plug/connector question (Bill Steer)
3. 09:48 AM - Re: Plug/connector question (Eric Page)
4. 12:43 PM - Re: Plug/connector question (Charlie England)
5. 01:18 PM - Re: Plug/connector question (C&K)
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| Subject: | Re: Please critique my Z-11-based electrical design |
That main connector is an unnecessary failure point. There are two crimps and
the mating pins, a total of 3 failure points for each circuit. And since there
are 13 connections, luck in not on your side. :-) Straight wires with no splices
would be much more reliable. How often will it be necessary to unplug
that connector? Compare the convenience of unplugging that connector to the inconvenience
of troubleshooting and fixing a bad connection.
-
Consider eliminating the 35 amp ANL fuse. There is a reason the main power bus
feeder is not fused in Bob's drawings. If it fails, all electrical power is
lost. Compare that danger to the chances of the feeder shorting out. If you
practice good workmanship, support the feeder well, and double insulate it where
it passes through the firewall, then it is not going to short out.
-
The shunt location is a matter of personal preference. I prefer to measure alternator
output rather than battery current. Or eliminate the shunt altogether,
one less thing to fail. The voltmeter will tell if the alternator is working
or not.
Nice schematic. Keep up the good work.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490807#490807
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| Subject: | Plug/connector question |
The battery on my Excalibur is difficult to access. As a result, I want
to bring a wire from the positive side of the battery to a more
accessible location so I can hook a battery maintainer to it easily.??
That wire will have an in-line fuse, but I need to terminate it with a
plug/connector that will not expose the hot connection to any sort of
ground.?? Does anybody have a suggestion about what sort of connector
would be appropriate?
Thanks for any suggestions.
Bill
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| Subject: | Re: Plug/connector question |
Trailer light connector
Anderson Powerpole
TE Connectivity/AMP MATE-N-LOK
Delphi Weather-Pack
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490810#490810
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| Subject: | Re: Plug/connector question |
On 8/12/2019 10:53 AM, Bill Steer wrote:
> <steerr@bellsouth.net>
>
> The battery on my Excalibur is difficult to access. As a result, I
> want to bring a wire from the positive side of the battery to a more
> accessible location so I can hook a battery maintainer to it easily.??
> That wire will have an in-line fuse, but I need to terminate it with a
> plug/connector that will not expose the hot connection to any sort of
> ground.?? Does anybody have a suggestion about what sort of connector
> would be appropriate?
>
> Thanks for any suggestions.
>
> Bill
Hi Bill,
I'm usually a KISS kind of guy (except when it comes to music). Unless
you're planning on start-cart level current, I'd use something like
this, which is mfgr'd into many charger wiring harnesses:
https://www.amazon.com/Sea-Dog-Polarized-Connector-2-Wire/dp/B000Y89TDM/ref=asc_df_B000Y89TDM/?tag=hyprod-20&linkCode=df0&hvadid=312430092407&hvpos=1o3&hvnetw=g&hvrand=4395166586976378804&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9013892&hvtargid=pla-569344392136&psc=1
The exposed black pin would be the ground for the a/c electrical system,
and the connector can just be tucked out of the way when not in use. The
exposed red pin on its mate would be fed by the charger, and shouldn't
get powered until the connectors are mated. The q&a for that particular
product indicates that the wire size is anything from 14 to 18 gauge
(depending on who answers), but even 18 gauge should handle plenty of
current from a slow charger.
There are better, and much more expensive options; what are your goals?
Charlie
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| Subject: | Re: Plug/connector question |
All my chargers output positive on the charger pin that is not exposed.
That means that the exposed aircraft pin would be positive. One could
reverse this but that's asking for trouble down the road when a
different charger is available away from home etc. I use a cigarette
lighter receptacle that happens to be on a manually switched hot buss.
Not ideal but it works and for other reasons I wanted one hot lighter
receptacle available even if the battery contactor was open.
Ken L.
On 12/08/2019 3:41 PM, Charlie England wrote:
> <ceengland7@gmail.com>
>
> On 8/12/2019 10:53 AM, Bill Steer wrote:
>> <steerr@bellsouth.net>
>>
>> The battery on my Excalibur is difficult to access. As a result, I
>> want to bring a wire from the positive side of the battery to a more
>> accessible location so I can hook a battery maintainer to it
>> easily.?? That wire will have an in-line fuse, but I need to
>> terminate it with a plug/connector that will not expose the hot
>> connection to any sort of ground.?? Does anybody have a suggestion
>> about what sort of connector would be appropriate?
>>
>> Thanks for any suggestions.
>>
>> Bill
> Hi Bill,
>
> I'm usually a KISS kind of guy (except when it comes to music). Unless
> you're planning on start-cart level current, I'd use something like
> this, which is mfgr'd into many charger wiring harnesses:
> https://www.amazon.com/Sea-Dog-Polarized-Connector-2-Wire/dp/B000Y89TDM/ref=asc_df_B000Y89TDM/?tag=hyprod-20&linkCode=df0&hvadid=312430092407&hvpos=1o3&hvnetw=g&hvrand=4395166586976378804&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9013892&hvtargid=pla-569344392136&psc=1
>
>
> The exposed black pin would be the ground for the a/c electrical
> system, and the connector can just be tucked out of the way when not
> in use. The exposed red pin on its mate would be fed by the charger,
> and shouldn't get powered until the connectors are mated. The q&a for
> that particular product indicates that the wire size is anything from
> 14 to 18 gauge (depending on who answers), but even 18 gauge should
> handle plenty of current from a slow charger.
>
> There are better, and much more expensive options; what are your goals?
>
> Charlie
>
> -
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