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09-01-2018, 06:20 AM
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#1 | | I WANT MY 10 YEARS BACK FROM RS.net!
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| Electronic dumb question: unmarked wire
This is a LED ceiling light, is there a way to check which wire is positive or negative? if the wires are unmarked. Any easy way? Can a multimeter check ?  | 
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09-01-2018, 07:30 AM
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#2 | | It's like going crazy when you're already nuts
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What is the input rating into that? If the driver is built in (which it looks to be judging by how massive it is), there's no polarity on the incoming AC feed. I'm no electrician, so take this with a grain of salt.
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09-01-2018, 07:52 AM
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#3 | | My dinner reheated before my turbo spooled
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If OP doesnt reply back in an hour....send help!
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09-01-2018, 09:34 AM
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#4 | | MiX iT Up!
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the right side is positive. 
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Make the effort and take the risk..
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09-01-2018, 10:59 AM
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#5 | | Rs has made me the man i am today!
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It is marked! The one with writing on it is usually the hot/positive side. The other wire usually doesn't have information because it's neutral.
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09-01-2018, 12:54 PM
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#6 | | Banned (ABWS)?
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Just checking... is OP ok?
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09-01-2018, 01:04 PM
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#7 | | Performance Moderator
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OP lives in HK he’s probably sleeping... or this all went wrong and he’s dead
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09-01-2018, 01:11 PM
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#8 | | I *heart* Revscene.net very Muchie
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op rich he can just hire a guy for this job lol
__________________ http://i55.tinypic.com/jujz2q.gif Quote:
Originally Posted by hk20000  I went up to a cute chick and asked her if she'd let me take a photo of her for $30 she slapped me, she said to me that "I AIN'T A WHORE!"
But other than that I have seen every car on display in DTP just by cruising about in Richmond, thank you very much for collecting them together and get someone to sing a cover for "fuck you".
OH FUCK YOU OH OH OOOOH~ | Quote:
Originally Posted by Neva wtf man? what the hell kind of women do you go for? spca is for animals not dates... | | |
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09-01-2018, 02:07 PM
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#9 | | My homepage has been set to RS
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| Quote:
Originally Posted by snowball It is marked! The one with writing on it is usually the hot/positive side. The other wire usually doesn't have information because it's neutral. | plot twist. other side of the unmarked wire has writing too!
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09-01-2018, 04:31 PM
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#10 | | 14 dolla balla aint got nothing on me!
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Hook up the wires to a battery. Switch it up till it lights up.
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09-01-2018, 05:30 PM
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#11 | | I contribute to threads in the offtopic forum
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LED light so it is just a diode. Just use a diode check/ohm meter setting on your DVOM. That'll tell you which is positive and which is negative.
If one direction shows no current flow or "OL", that means it's the other way around.
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09-01-2018, 07:04 PM
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#12 | | I WANT MY 10 YEARS BACK FROM RS.net!
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| Quote:
Originally Posted by Peturbo LED light so it is just a diode. Just use a diode check/ohm meter setting on your DVOM. That'll tell you which is positive and which is negative.
If one direction shows no current flow or "OL", that means it's the other way around. | Got it.
very regret to switch all lighting to LED at my parents' place.  | |
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09-01-2018, 08:14 PM
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#13 | | RS Veteran
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240v RIP asian_XL
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09-01-2018, 09:41 PM
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#14 | | My homepage has been set to RS
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should we cry?
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09-01-2018, 10:27 PM
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#15 | | Banned By Establishment
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I cri evertim  | |
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09-02-2018, 12:23 AM
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#16 | | Rs has made me the man i am today!
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| Quote:
Originally Posted by snowball It is marked! The one with writing on it is usually the hot/positive side. The other wire usually doesn't have information because it's neutral. | You may also check to see if there is a stripe or "ribs" on one of the wires, this usually signifies that it is the neutral one.
I should also say that this is only my experience with north american AC power.
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09-03-2018, 02:08 AM
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#17 | | I WANT MY 10 YEARS BACK FROM RS.net!
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other units come with brown wire as ground and blue or red as positive. Whatever, I bought some new one at the end.
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09-03-2018, 08:12 AM
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#18 | | RS.net, helping ugly ppl have sex since 2001
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Inb4 OP digs up a grenade in his backyard
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09-03-2018, 01:43 PM
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#19 | | Rs has made me the woman i am today!
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no polarity on this sucka...usually one should be connected to neutral but because its so low wattage it didn't matter
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09-04-2018, 02:40 AM
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#20 | | I keep RS good
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uh after u check. you should get a permanent marker or some kinda sticker and mark it... so you dont go through this again LOL.
i dont deal with electricity. its one of my fears. LOL
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