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Old 08-02-2013, 07:09 PM   #11
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Re: Electrical Questions

One thing folks do is potentially dangerous, they mix up color code. Ac code says on 3 wire single phase black is hot, white is neutral and green is ground. On DC circuits red is hot, black is ground for all feeder circuits on DC just keep black as ground you can use any color for hot. More then once I have gone to help someone with a problem on a generator, solar system or home addition to find hot white wires on AC circuits and the one time I was shocked was on a circuit wire green hot, ouch

Just my 2 sense worth, do as you want

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Old 08-02-2013, 08:29 PM   #12
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Re: Electrical Questions

I'm familiar with at least one "exception" to the color code: a Jayco 5th-wheel trailer I rebuilt used black and white (instead of red) for its DC wiring. Even worse: as I recall, black was the +12 and white was the body/battery ground. I can think of a few reasons why they might have done it that way, but IMHO they're all pretty weak compared with the down sides of such a scheme. Surely this wasn't their only unit built this way; also I don't have any idea whether other RV manufacturers might use a similar scheme.

I'm with you: red and black for 12-volt on my rig. Jury's still out on it, but with the proliferation of USB-powered gadgets, I may decide to install a 5-volt system too. I'll have to think through the voltage drop vs wire gauge tradeoff more thoroughly before I bite into that though.
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Old 08-02-2013, 09:54 PM   #13
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Re: Electrical Questions

The Class C that Das Mel is currently living in has blue (+) and white (-) DC wires as factory original. I used to post with a bunch of other folks on IRV2 that were all remodeling vintage RV of various brands and many were orphans (like the Class C.... Midas by Frolic). Often white was the ground, but you could never count on it. Always had to test. It was interesting to say the least. From what I can gather, the current manufacturers still tend to use their own "colours" for ground and hot. We've got grey (-) and yellow (+) to our 12vDC water pump. No other 12vDC has been run yet. We have enough grey/yellow Eagle cable to run to the back of the bus to wire up the heat exchanger fans or we will change out the yellow to another colour. We have very little 12vDC. I figure what ever colours you choose to use then you should keep your DC grounds the same colour. That way you can colour code the DC hot (+) to each appliance if you choose. Except I would not use white, black or green as those are pretty much accepted AC colours.
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Old 08-03-2013, 12:21 AM   #14
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Re: Electrical Questions

Quote:
Originally Posted by family wagon
I'm familiar with at least one "exception" to the color code: a Jayco 5th-wheel trailer I rebuilt used black and white (instead of red) for its DC wiring. Even worse: as I recall, black was the +12 and white was the body/battery ground. . . .
You will find that white is more or less the "standard" for ground on trailer chassis, and black is the standard for the hot, duplicating the look of AC house wiring. Blue chassis wires are for electric brakes, and yellow, green, and brown are the DC running and signal lights.

Apparently, the RVIA folks continue the black/white color scheme for DC circuits in the living quarters as well. Maybe they want to make it easy for out-of-work electricians to hook up appliances for them.

Also remember, red is the second hot leg in AC 120/240 single-phase wiring, and black, red and blue are all hot legs in AC 120/208 three-phase wiring. Red is not reserved for low-voltage DC.
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Old 11-05-2013, 03:05 PM   #15
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Re: Electrical Questions

Where can one information regarding what everything is? Power pole, bus bar, hot legs... I'm finding a lack of information regarding definitions and simple photo directions. I, for one, can only follow along so long until I'm beyond confused.

I've picked up books on electrical wiring, looked at a plethora of sites, and it seems to me the information available is limited and doesn't cover anything for those like me.

I've picked up parts after speaking with others (electricians, other bus converter folks, etc) and still lack the basic information I'm looking for. I've searched this site up and down and can't find info for us "dummies". I cannot find anything in books, either.

Here's what I have as far as panels, etc:

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Old 11-05-2013, 03:06 PM   #16
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Re: Electrical Questions

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Old 11-05-2013, 03:08 PM   #17
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Re: Electrical Questions

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Old 11-05-2013, 03:16 PM   #18
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Re: Electrical Questions

I'm desiring to power my bus as if it were a house. I'm only running AC appliances ( TV, coffee maker, stereo, lights, fridge, heater, etc). I plan to be able to hook up via 50, 30, or 15 amp service. I want to plug my bus in and be done. No generator, but eventually will include solar. I understand a great deal of what's being said, however, I don't know where to start. I've got my wiring done, I just need to hook it up to my servive panel. Right now I'm plugged into two 15 amp extension cords, of which I have ran into commercial grade serge protectors that I plug everything into.

I need photo directions and definitions.I'm trying to find out how to install my service panel, how to install my wiring to it, and how to install my receptacles to supply my power. I've found all the pertinent information regarding the logistics of electrical systems, I just don't know what some things are in order to put it all together. I'm smart enough to figure things out once I can "see" what's going on. Any help would be grand...

Cheers,
Beau
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Old 11-05-2013, 04:47 PM   #19
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Re: Electrical Questions

Quote:
Originally Posted by Henukaw
Where can one information regarding what everything is? Power pole, bus bar, hot legs... I'm finding a lack of information regarding definitions and simple photo directions. I, for one, can only follow along so long until I'm beyond confused.

I've picked up books on electrical wiring, looked at a plethora of sites, and it seems to me the information available is limited and doesn't cover anything for those like me.

I've picked up parts after speaking with others (electricians, other bus converter folks, etc) and still lack the basic information I'm looking for. I've searched this site up and down and can't find info for us "dummies". I cannot find anything in books, either.

Here's what I have as far as panels, etc:

You will have 4 wires from the 50 plug BLACK and RED are the "hots" and then WHITE which is Neutral and then green which is ground

the bar w/green screws attached to the box is where your grounds all connect

see the other bar this is for all your neutrals (make sure it is separated/isolated from the box no bonding in the bus)

now look at the breakers (see the small screws? these go to the receptacles etc) notice how the one end slips onto the "blade"?

you have 1/2 the blades on one side and the others on other side

I put RED to one side and BLACK to the other side (so the circuits on the "black" side use black as the hot to appliances

the red side has "reds" as hots

I can't tell in your box if you have 2 big lugs for the incoming power (what size is it?)

here's mine before I straightened it up

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Old 11-05-2013, 05:14 PM   #20
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Re: Electrical Questions

better picture








and don't forget!!!!! mark it for future use

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