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Old 05-07-2019, 06:21 PM   #1
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How do you manage wires in your engine room?

How do you do it? Pictures especially welcome here.

My battery cables run along side the engine on top of a stringer (rail, can't recall the word) and the PO built a "box" around them complete with nails (ugh) to protect them.

Some others appear to be screwed direct to fiberglass with twist tie like holders. Doesn't that compromise the inner hull moisture-wise?

Others are just lying around. More ugh.


I'm betting some of you have come up with some really nice solutions. If I didn't mind any length of battery cable (but I do, keep em short!) I'd go out to the wall, up and into a cable tray.

If I didn't mind fishing them and not being able to see them, I'd put conduit down in the bottom of the bilge.

There has to be something elegant at and around the engine and the bilge that works. Once I get to the walls, I'm good....

Thoughts/ideas/pics, what works on your boat?
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Old 05-07-2019, 08:36 PM   #2
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Conduit/tray/wire loom for small size wires. I like split loom as it is quite easy to add wires if needed.
For large size battery cables just U shape holder (like for pipes).

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Old 05-07-2019, 08:53 PM   #3
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My MS 34HT uses wire trays for main runs w/ multi wires.
Wire Trays

My ER main run...
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Old 05-08-2019, 06:42 AM   #4
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Quote:
Originally Posted by Bacchus View Post
My MS 34HT uses wire trays for main runs w/ multi wires.


My ER main run...
Looks like it's on the wall though, not on the floor? Or is that just that one picture?

BTW, that looks like Panduit, which I'm considering, just wondering if it would hold up. Mainly I'd love to be able to step and kneel on it, yet move cables around as needed (that would probably die down after I get the setup settled).
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Old 05-09-2019, 05:24 AM   #5
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Quote:
Originally Posted by bridaus View Post
Looks like it's on the wall though, not on the floor? Or is that just that one picture?

BTW, that looks like Panduit, which I'm considering, just wondering if it would hold up. Mainly I'd love to be able to step and kneel on it, yet move cables around as needed (that would probably die down after I get the setup settled).
Mostly on bulkheads and side of stringers.
I don't think it would do well with standing or kneeling on it. While working on the wiring you would likely have covers off and the fingers arent sturdy ( or suitable for even kneeling on.
If you need to run in frequent step locations I think I would consider some kind of a "box" around the tray.
Home depot sells 4" & 5" quare PVC fence posts / covers that are a little more substantial yet easy to work with. You would need to protect wires if they exit at / near the pvc as cut edges may be sharp and chafe insulation but split wire loom would do that for individual / group sidevruns off the main.
For long runs Mainship built in PVC pipe runs - fore - aft on both port & stbd side. Thrusters bow & stern & windlass.
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Old 05-09-2019, 07:13 AM   #6
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We use a lot of split loom tubing. It also adds additional fire protection.

https://www.cabletiesandmore.com/bla...e-loom-tubing?
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Old 05-09-2019, 07:33 AM   #7
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Perforated drain pipe is available at hardware stores. 3” - 4”, heavy PVC or lighter corrugated versions with large, spaced holes for wires in or out. Good for larger wire bundles, coax.
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Old 05-09-2019, 08:10 AM   #8
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Greetings,
Mr. b. All somewhat valid suggestions thus far. I say "somewhat" because I suspect I share your view of messy wiring and the seeming efforts by both boat builders and DPO's to add to the mess.


While I would love to have all my electrical systems look like this:





The reality is most resemble this:
Minus the wire nuts (internet photo NOT my boat).






Pretty well any and all wiring set ups are compromised by the simple addition or removal of equipment. "Rocket Scientists" do NOT help matters at all!



I think it's safe to say that the majority of members have experienced the "joys" of redundant wire removal and the added pleasure of that ONE wire tie or wire clip in an inaccessible location that turns a one hour job into a two day ordeal.



Couple that with trying to add wire to a built in conduit or chase (IF one is so fortunate) that was barely sized to fit original factory wiring.


Apologies for my rant but I've been looking for an "elegant" solution for a long time.



Perhaps Mr. B's suggestion of PVC fence posts is most applicable for your battery cable run. As for the sharp cut edges, a quick pass with a small torch will melt them smooth.
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Old 05-09-2019, 08:55 AM   #9
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Good suggestion to "flame polish" the cuts....
Sorry a glass term but it works and hadnt thought of it w PVC
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Old 05-09-2019, 09:35 AM   #10
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Like most people who didn't post here... My answer is.

Not well.

To the next owner.. i'm sorry.
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Old 05-09-2019, 09:36 AM   #11
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That cable ties and more site is perfect!

Still everyone's pictures are wall and hanging, which I feel very comfortable with already. I'm interested in the stepping areas.... the wires that run along the stringers/rails.

I like this product for instance: https://www.cabletiesandmore.com/dro...ane-cord-cover
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Old 05-09-2019, 09:37 AM   #12
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Quote:
Originally Posted by Mrwesson View Post
Like most people who didn't post here... My answer is.

Not well.

To the next owner.. i'm sorry.
Made me laugh, and for that I raise a glass to you...

Apology accepted.
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Old 05-09-2019, 10:05 AM   #13
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Quote:
Originally Posted by RT Firefly View Post

I think it's safe to say that the majority of members have experienced the "joys" of redundant wire removal and the added pleasure of that ONE wire tie or wire clip in an inaccessible location that turns a one hour job into a two day ordeal.
I've been dealing with this all spring (wirenuts and all!!!). I wanted to add a chartplotter to my lower helm so I could have GPS and Radar at my lower. I found a rats nest in the lower helm very similar to what Mr. RTF has shown. I found electrical tape and wire nuts.

It took me almost 2 days to basically clean-up and re-run all the wiring runs. Everyting was in straight lines (point a to point B). One was so bad, I couldn't even open the console the entire way because a wire was too short and run in a straight line.

How hard is it to use wire ties properly??!!!! I can buy hundreds of them for 10$.

I was working under the upper helm and had a bowl of spaghetti hanging in my head and face. I did a little up there, but need to spend a weekend re-rigging everything.
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Old 05-09-2019, 11:14 AM   #14
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Greetings,
Slight thread drift alert: I wish to add to Mr. S's testimonial (post #13)...So, you've cleaned up your wiring and secured, wrapped, fastened and wire tied the bundle together. Looks like my first picture I posted above-REALLY nice and neat....but wait! You've just acquired a new "widget". Do you undo all the fitments and neatly incorporate those new wires into the bundles or.....??????


To eliminate the possibility of "too short" wires, just how much slack does one leave?



Further. Does anyone know of a good solution to the razor sharp ends left when you trim wire ties?


Wiring!


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Old 05-09-2019, 11:17 AM   #15
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Expanding on your flame polishing... cut off w a hot knife or elec soldering gun?
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Old 05-10-2019, 04:40 AM   #16
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post 13:
Flat back cutters. (Gate cutters in Injection molding trade)
use with flat side against wire tie that remains.
(leaves square wire tie, very close to latch, not nearly as sharp)

From
https://www.mcmaster.com/7059a11
Or:
https://www.imscompany.com/product/130594
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Old 05-10-2019, 01:08 PM   #17
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Quote:
Originally Posted by bridaus View Post
Made me laugh, and for that I raise a glass to you...

Apology accepted.
One day i'll get around to "fixing" it but based on my "good enough" attitude i'm probably not the man for the job.
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Old 05-13-2019, 12:40 PM   #18
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^^^^^^ Here! Here!!
(Raises Glass)
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Old 05-13-2019, 12:54 PM   #19
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[QUOTE=RT Firefly;763944]Greetings,

Perfection in the world !

Mr. b. All somewhat valid suggestions thus far. I say "somewhat" because I suspect I share your view of messy wiring and the seeming efforts by both boat builders and DPO's to add to the mess.


While I would love to have all my electrical systems look like this:


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Old 05-13-2019, 01:20 PM   #20
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Oh, wiring? Yeah, just the other day I organized a space big enough to get my head through!
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