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Late Christmas Lights Present #4441561
06/25/17 10:38 PM
06/25/17 10:38 PM
Joined: Oct 2012
Posts: 4,626
Taiwan
Ducked Online content OP
Ducked  Online Content OP
Joined: Oct 2012
Posts: 4,626
Taiwan


Big dump of them, from scrapped decorations. Looks like a cutting torch was used on these so some of the strips are burned, and they've also been randomly cut, but spot checks with live 12V voltmeter probes into the wee internal contact pad things suggest most of them work, which is quite a lot more than I'm likely to be able to use.

I'm thinking I can use them for car interior light, inspection and test lights, and maybe to supplement (or replace? dunno if they're bright enough) sidelights and indicators. Dunno yet how much current they draw but I assume if I dont use too many (say six) I could just parallel off the existing light circuits.

Any snags that I'm too blinded to see?

Re: Late Christmas Lights Present [Re: Ducked] #4441671
06/26/17 06:20 AM
06/26/17 06:20 AM
Joined: Aug 2010
Posts: 5,683
Champlain/Hudson Valley
Kira Online content
Kira  Online Content
Joined: Aug 2010
Posts: 5,683
Champlain/Hudson Valley
Accent lights like that characteristically use little amperage. They're designed to be strung many-in-a-row on one circuit so they're kept small. Also, lights like these are often used in display work where heat buildup is to be avoided.

The trick'll be to get enough bare wire to terminate. What you might find more doable are the common 6 inch long plastic bars which contain 8 or 10 wee lights (still not LEDs). We replaced the 120V aisle lights in movie theatre seating with these small strips. Sorry I don't have a brand name or p/n.

I suggest running it all straight and flat and see what you have that's usable. Do it out in the Sun so they flatten out. Scavenging this kind of equipment is something I've done a bit of with no experience of splicing it into a car's electrical system.

Good luck and PATIENCE to you.

Re: Late Christmas Lights Present [Re: Kira] #4441727
06/26/17 07:43 AM
06/26/17 07:43 AM
Joined: Oct 2012
Posts: 4,626
Taiwan
Ducked Online content OP
Ducked  Online Content OP
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Originally Posted By: Kira


The trick'll be to get enough bare wire to terminate.


Stabbing with voltmeter probes seemed to work, so I was thinking I might just be able to staple or pin them to strips of wood or plastic and wire (maybe solder) to the staples or pins.

Copper would probably be best but I dunno if I can get copper staples/pins.

Re: Late Christmas Lights Present [Re: Ducked] #4441747
06/26/17 08:03 AM
06/26/17 08:03 AM
Joined: Aug 2010
Posts: 5,683
Champlain/Hudson Valley
Kira Online content
Kira  Online Content
Joined: Aug 2010
Posts: 5,683
Champlain/Hudson Valley
I've poked cheaply wired examples into the draught of a wood fire to soften the insulation so I could peel/cut away a bunch of it. Then I fold whatever conductor back on itself so there's something to work with.

A wood stove's barometric damper offers easy access to draught. Oh yeah, you're not burning too much wood in the tropics this time of year.

I wouldn't bother with piercing the cheap wire because it always seems to vibrate loose or blacken.
Plus you do not want to go anywhere near causing a fire. VASTLY cheaper and SMARTER to buy correct lighting or even do without.
Don't be a dippy-doo (which you're not).

Re: Late Christmas Lights Present [Re: Ducked] #4441867
06/26/17 11:02 AM
06/26/17 11:02 AM
Joined: Jul 2007
Posts: 685
Chicago, IL
gomes512 Offline
gomes512  Offline
Joined: Jul 2007
Posts: 685
Chicago, IL
Those look like strips of 5050 smd with the weatherproof coating. Used them for interior/cab lighting in our vehicles and they put out great light. But, some component of the waterproof coating eventually migrates into the diodes and contaminants them, making them give out a yellow off color. Over time they'll burn out. Likely why someone ripped them out. I've since switched to strips that have a clear tube of material over its length instead of that poured on weatherproof stuff.

Re: Late Christmas Lights Present [Re: Kira] #4442316
06/26/17 08:44 PM
06/26/17 08:44 PM
Joined: Oct 2012
Posts: 4,626
Taiwan
Ducked Online content OP
Ducked  Online Content OP
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Posts: 4,626
Taiwan
Originally Posted By: Kira


I wouldn't bother with piercing the cheap wire because it always seems to vibrate loose or blacken.
Plus you do not want to go anywhere near causing a fire. VASTLY cheaper and SMARTER to buy correct lighting or even do without.
Don't be a dippy-doo (which you're not).


I got POTENTIAL though.

If fairly simple improvisation doesn't work I probably won't bother, or I'll keep some for off-car use and/or temporary setups like inspection lights that aren't permanently wired. That should reduce the fire hazard.

Edison's idea is actually working OK so far, so this isn't an actual need.


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