I have a question Why do I need a converter? - Page 2 - Fiberglass RV


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Old 09-30-2013, 12:48 PM   #15
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I'm starting from scratch there is no existing wiring, so my guess is that it would have to be standard lighting, etc.
So to understand this more the outlets will all be new and i know how to wire them as well as lights, than I will have a 3000 - 5000 btu AC unit and small rv type microwave.
So futuristically speaking everything is connected except the breaker box.
Thanks
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Old 09-30-2013, 12:49 PM   #16
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cool
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Old 09-30-2013, 01:39 PM   #17
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Originally Posted by neauone View Post
Now that I know what I need, I read somewhere that even if your hooked up to the '"say 30 amp hook up" that caution needs to be taken when doing the wiring. Is this the reason for the separate circuits (so as not to damage) an ac unit?
If it was me, I'd install a 30 amp system. That means a 30 amp plug, #10 power cord (I'd also use an inlet to help keep the bugs and critters out), and 30 amp main breaker. You can carry a 30 amp female to 15 amp male adapter to connect at home & campgrounds that only have 15 amp hookups.

I'd feed the AC & microwave each with a 20 breaker & #12 wire, and the lighting and receptacle circuits with 15 amp breakers & #14 wire.

You will need a breaker box that has enough positions for all the breakers, however they do make tandem or "Space Saver" breakers that will cut the number of needed spaces in half.

Personally, I'd also make sure I kept space for a battery & converter in mind - sooner or later you are likely to want to stay somewhere without hookups...
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Old 09-30-2013, 01:59 PM   #18
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The main reason you should make sure you have both an inverter and converter is because almost everybody else has one.

I would suggest you read and understand what each of things do and decide for yourself. If you're always going to be at site with electricity you might not need either.
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Old 09-30-2013, 02:16 PM   #19
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Just to touch on the battery/converter/inverter issue. What type of battery is needed and how long do they last? I'm sure they are hooked up to the converter/inverter somewhere along the line in order to charge the battery. Is the battery costly or do people carry more than one?
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Old 09-30-2013, 02:22 PM   #20
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You need a converter so you dont have to stay in $60.00 a night campgrounds.
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Old 09-30-2013, 02:34 PM   #21
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Originally Posted by neauone View Post
I don't stop on the side of the road.... Period!
Well perhaps you may not be camping on the side of the road, but its been my experience while traveling around most of the west and mid west of NA that some of the most beautiful and memorable camping locations have not had any power available.
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Old 09-30-2013, 02:35 PM   #22
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If you are going to run an a/c and maybe a microwave at the same time you will need 30 amp service to keep from tripping c/g breakers. This just means a heavier shore cable, a 30 amp main breaker and 2-3 15 or 20 amp breakers for the inside plugs and a/c.

But keep in mind: a) that you will be building an FGRV that will have very limited appeal when you want to sell some day, b) That, unless you plan way ahead and tend to just stay in a very few places most of the time, that there may be a night or 10 that you will want/have to stay somewhere without hook-ups, meaning almost all most federal and state parks, overnight rest areas and an occasional Wal-Mart parking, c) that the big guys with the Class "A" super M/H's & 35' trailers with 10 slide outs are often using all of the powered sites in a campground and there may not be power available, d) that staying every night with full hook-ups can get very expensive, upwards of $40-$60 a night.

Should you want to reconsider, you might investigate the Progressive Dynamics PD-4045 power center, it will provide everything you need for power in your trailer AC/DC/Battery Charging.

BTW: Based on your questions, I would also suggest that you get some knowledgeable help in wiring, especially the 120 circuits.
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Old 09-30-2013, 02:45 PM   #23
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Battery Needs

Quote:
Originally Posted by neauone View Post
Just to touch on the battery/converter/inverter issue. What type of battery is needed and how long do they last? I'm sure they are hooked up to the converter/inverter somewhere along the line in order to charge the battery. Is the battery costly or do people carry more than one?
-------------------------------------------------

Again, Read, Read and Read before going any further.....

Trailer batteries are usually deep cell batteries, either group 24 or 27, and cost about $100. They will also require a charger for that application to avoid overcharging and damaging the battery. The afore mentioned PD-4045 takes care of this as well.

You might want to leave the term inverter out of your questions until you are sure you want one and how big it will have to be.

FWIW: an inverter big enough to power an 800 watt microwave, will kill off a battery in about 2 bags popcorn.
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Old 09-30-2013, 02:54 PM   #24
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If you have a separate 110V system fed through a small breaker panel and a separate 12V system you don't need an inverter/convertor.

For much less than the price of an inverter/convertor you can install a more than adequate Solar system to supply ALL of your 12V needs.

I just installed a 60w system on a 13' Scamp for under $270.00 including a deep cycle group 27 battery and replacing all the incandescent lights with LEDs.

A 50 or 60 W solar panel and a deep cycle group 27 or 29 battery will supply all the electricity you will need under normal circumstances including your furnace on cold nights.

Solar systems are easy to install and the prices for panels are 1/3 the price they were a few years ago.
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Old 09-30-2013, 03:10 PM   #25
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[QUOTE=Perry J;421768]If you have a separate 110V system fed through a small breaker panel and a separate 12V system you don't need an inverter/convertor.

For much less than the price of an inverter/convertor you can install a more than adequate Solar system to supply ALL of your 12V needs.
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I don't know of any "Inverter Converters in the RV marketplace. There are Converters and there are Inverters.

Going Disneyesque/piecemeal, by the time you add up a separate ac panel, a converter of some sort, a fuse panel, and some sort of a decent and safe battery charger, you will be right up there with the PD-4045 in price and it may not be as safe and/or work as well.

That said, a PD-4045 can be bought for under $175, providing AC distribution, dc power when plugged in and a 3 stage battery charger, and you don't always have to park in the sun.....

Plus one should always think of resale value. Doing it right the first time is always the way to go.....
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Old 09-30-2013, 03:12 PM   #26
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What exactly is wrong with the O.P. just getting the trailer wired just like he wants to?

There is little about this project that if done as he asks about will stand in his way down the road if he decides that he wants to add a Battery and charging system.

There is also a lot to be said for keeping things simple and it should work fine for the exact purpose he has in mind.
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Old 09-30-2013, 05:18 PM   #27
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[QUOTE=Bob Miller;421772]
Quote:
Originally Posted by Perry J View Post
If you have a separate 110V system fed through a small breaker panel and a separate 12V system you don't need an inverter/convertor.

For much less than the price of an inverter/convertor you can install a more than adequate Solar system to supply ALL of your 12V needs.
---------------------------------------------------------------------

I don't know of any "Inverter Converters in the RV marketplace. There are Converters and there are Inverters.

Going Disneyesque/piecemeal, by the time you add up a separate ac panel, a converter of some sort, a fuse panel, and some sort of a decent and safe battery charger, you will be right up there with the PD-4045 in price and it may not be as safe and/or work as well.

That said, a PD-4045 can be bought for under $175, providing AC distribution, dc power when plugged in and a 3 stage battery charger, and you don't always have to park in the sun.....

Plus one should always think of resale value. Doing it right the first time is always the way to go.....
There are a number of manufacturers of inverter/chargers that combine both a converter & an inverter. Check out the Magnum product. They are generally used in high end RVs, because they are expensive, but do provide added convenience compared to separate devices.

I have to agree with Ed - he should do what he wants. No one that I know who owns a fiberglass trailer (or just about any RV) is ever done - modifications and additions seem to happen as long as you own the thing!
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Old 09-30-2013, 06:13 PM   #28
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[QUOTE=Jon Vermilye;421810]
Quote:
Originally Posted by Bob Miller View Post

There are a number of manufacturers of inverter/chargers that combine both a converter & an inverter. Check out the Magnum product. They are generally used in high end RVs, because they are expensive, but do provide added convenience compared to separate devices.
!
Dang 4 digit expensive
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