Photo of wire chase under floor

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Photo of wire chase under floor

February 01, 2025, 06:30:03 pm

In recent memory, someone posted on LDOG a picture of the wire chase they had unearthed while repairing some floor rot. I've been looking to see it again, but I can't find it anywhere.

I anyone out there more savvy with the search function than I am able to find it for me?

TIA
Linda

Re: Photo of wire chase under floor

Reply #1 – February 01, 2025, 06:52:00 pm

Hi Linda; I think the photo you mentioned may be on the Facebook site "Jane Schnelker, Lazy Daze Motorhome Fan Club, January 25th."
Chase locations vary by floorplan and your 'much newer than most' rig may be in a different spot than older rigs.
Was there something you wanted to do? In wall stud finder tools can find most wiring in the floor. Plumbing is harder, because it isn't metallic. RonB

Re: Photo of wire chase under floor

Reply #2 – February 01, 2025, 08:37:26 pm

The location of the chase varies according to the floorplan and the year it was built.
It's hard to post a photo of something that is hidden under the floor unless the floor is removed to expose it.

In a Rear Bath, I would first look under the Power Center, the shore power wires need to cross under the floor.
To see the chase may require pulling the Power Center out.
LD changed a lot of things through the years which are not noticeable unless you have inspected a lot of the same floorplans.

Larry

Re: Photo of wire chase under floor

Reply #3 – February 01, 2025, 10:16:35 pm

Thanks, Ron and Larry. I know where the chase is located in my 2021 RB (from the rear end of the of the power center to the front end of the closet). I was just trying to confirm how much space is left for additional wiring.

I'm installing an inverter and also thinking of adding in another 12v circuit for a hookup for my starlink. One or both of these will need another wire to go in the chase.

By looking at the photo Jane Schnelker took and posted on facebook, it looks like there may be enough room to add a wire or two. (I think all that filling is sawdust from her floor repair project)

Re: Photo of wire chase under floor

Reply #4 – February 02, 2025, 02:28:59 am

Hi Linda; The channel under the floor in my T/K, from the forward end of the power center, passenger side to the under drawer location of my water pump was pretty large. In addition to the cold water going to the water heater, and hot water back to the sink and bathroom, I was able to add seven or eight #16 and #14 wires, along with some grounds and a data cable (RJ-125) to control my inverter, with a data cable from my smart shunt by the batteries, to the BalMar battery management display.
Years ago, I ran a wire in another raceway under the floor, where the propane line runs. It had a clamp about halfway across, that was difficult to get a wire past it. About 4' further aft than the wiring/water chase. RonB

Re: Photo of wire chase under floor

Reply #5 – February 02, 2025, 02:49:18 am

If you can find and access both ends of the chase, there should be enough room for a few wires to be snaked through.
The important word is "should", there is no sure way to tell without trying it.
For long wiring runs where the wires cannot be secured every few inches, I like to use extension cords with the correct gauge wire. Extension cords have an outer layer that resists abrasion.
Another wiring possibility is to use low-voltage landscape lighting wire, which also has a tough coating.

Larry

Re: Photo of wire chase under floor

Reply #6 – February 02, 2025, 07:29:48 am

I guess the MB has an advantage when installing an inverter since all the major electrical components are on the same side. There is a chase for the furnace and water heater though.

Re: Photo of wire chase under floor

Reply #7 – February 02, 2025, 01:21:02 pm

Quote from: HiLola - February 02, 2025, 07:29:48 am

I guess the MB has an advantage when installing an inverter since all the major electrical components are on the same side.

Any time a large inverter is installed, it must be as close to the battery as possible to limit voltage drops, even when using large cables.
On some floor plans, it is easier to locate the batteries and inverter under a dinette seat to eliminate long cable runs. The longer the cable runs, the bigger the cables must be.
It is PIA to run extra large cables, bending them into position can be very hard, one reason why many times I use flexible welding cable when installing large inverters, it's a little more expensive and worth every penny when working in tight locations.

Larry

Re: Photo of wire chase under floor

Reply #8 – February 02, 2025, 01:43:21 pm

Hi Larry; All of my electrical is located near the batteries, power center, inverter, etc. and I used EPDM coated finely stranded 'welding cable' Much more flexible and easier to handle. The EPDM was really tough stuff, and abrasion resistant. This is what I used: 2 Gauge 2 AWG 10 Feet Black + 10 Feet Red (20 Feet Total) Welding Battery...
Also available in #1, and 1/0 (Aught). Although I didn't see that today. Proper crimp terminals, and a crimper that can do a good job needed. RonB

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