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Old 01-21-2021, 10:19 PM
alcladrv alcladrv is offline
Join Date: Oct 2006
Location: Southeast
Posts: 606
Default Wire labeling

I'm going to try out using some printed heat shrink tube to label my wires. Which end is typically labeled or both ends?
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Old 01-21-2021, 10:20 PM
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wcalvert wcalvert is offline
Join Date: Jan 2019
Location: Anacortes Wa
Posts: 161
Default Do em all

Every end and every connector! You'll thank yourself later when something doesn't work right and you need to chase a wire.
RV-7 Tipper
Bill (Wild) VA-165 '90-'93
Anacortes, Wa

Start 2/19 Emp complete 4/19 Wings complete 11/19 Fuse complete 6/20 Finish kit Complete 8/20 Electric/Avionics complete 9/20 Waiting on a motor...
- Been there, Donated 2021
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Old 01-21-2021, 10:21 PM
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Nihon_Ni Nihon_Ni is offline
Join Date: Jun 2011
Location: Fredericksburg, VA
Posts: 344

I labeled both ends of every wire.
Rob K

RV-8 N884RA under construction
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Old 01-21-2021, 10:38 PM
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jcarne jcarne is offline
Join Date: Jul 2016
Location: Worland, Wyoming
Posts: 1,498

Same here, both ends. It has already paid off.
Jereme Carne
I can see the light!
Exempt but gladly paying!
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Old 01-22-2021, 03:28 PM
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GeoffP GeoffP is offline
Join Date: Sep 2018
Location: NSW, Australia
Posts: 181

Also, for multi-core wire or if there's a lot coming out of a connector I printed each wire colour & function onto a single piece of heat shrink. And like others said, one at each end.
RV-9, Empennage and Wings about done, Fuselage started.
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Old 01-22-2021, 03:30 PM
AlpineYoda AlpineYoda is online now
Join Date: Nov 2019
Location: Boulder, CO
Posts: 238

For places where there are several runs together, like in the fuselage side panels, I also added labels mid-way in access panels. If I ever need to pull a wire out, it will be nice to know which one to start pulling on halfway.
RV-10 build blog --
Started 12/19/2019
Engine hung 1/9/2021
Panel in 2Q 2021
Flying summer 2021?
Going for the build speed record. Thanks lockdowns!

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Old 01-22-2021, 04:40 PM
David Paule David Paule is offline
Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,644

Where I followed the installation manual, which specified colors for specific wires, I'd label just the bundle at each end. I allowed for room between the label and the connector so that I could remove a single connector without disturbing the label.

If the bundle did not contain standard wiring, I'd label each wire at both ends, but far enough from the ends that the label didn't interfere with the crimper. The labels were spaced irregularly so that I didn't have a stack-up of labels all in one spot. In addition, I'd use a separate label for the bundle.

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Old 01-22-2021, 05:34 PM
rv8or rv8or is offline
Join Date: Oct 2007
Location: Norwich England
Posts: 161
Default Wire Labeling

Work out a system for labeling your wires and put at each end ( To / From ) so you can see by the label where the other end is attached.

One of my biggest peeves in my professional life is when trying to diagnose problems often without wiring schedules that only label where it is attached. Then it is a wire pulling tracing problem.

All the best
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Old 01-22-2021, 05:38 PM
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kentlik kentlik is offline
Join Date: Sep 2015
Location: Oregon
Posts: 857

Originally Posted by jcarne View Post
Same here, both ends. It has already paid off.
In spades...sorry...
RV-7A in progress
Private pilot, ASEL!
EAA 105 Chapter 7S3
Bi-annual financial contributor

"The credit belongs to the man who is actually in the arena..." Teddy Roosevelt
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