Now cxm-22 in magnum hoods
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so im over on my holders. lame. think 50v over is really gonna melt em?
I’ve seen a lot of wire that’s rated for 300V as well. It’s worth checking anyway.secondhandname wrote: ↑Thu Sep 21, 2017 10:35 pmoh? i was planning to use 18 gauge wire. And i bought the cob holders cobkits suggests for them
http://cobkits.com/product/ideal-holder-for-clu048/
rated for 4amp 250v
18 guage has a 600v limit im reading no?
Thanks jolly, I was considering thin wood also, but i figured drywall for fare better if for some reason stuff got super hot and melted or something
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I really couldn’t tell ya. That’s a heck of a lot of voltage though and that’s exceeding the rating by 20%, so personally, I would reconfigure it.secondhandname wrote: ↑Thu Sep 21, 2017 10:45 pmso im over on my holders. lame. think 50v over is really gonna melt em?
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What would you do? I already bought all the stuff so its not like i can just change a ton easily. The guy at cobkits seems to think its not an issue
Thanks for thw help
Thanks for thw help
No sweat. I guess it all comes down to the risk you're willing to take - I'm sure a lot of people exceed these ratings without even knowing, but you can never be sure that you won't get burned.
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So hold up the holder is rated 300v 3a. So at 1.4a cant it hold over 600? I dunno i. Just gonna run it and place electrical tape behind the connection to insulate from any arc. Seems unlikely to happen anyway and if it did as far as i can tell the driver would just go into protection
Oh, it's 300V? That's better. I thought it was 250V. The voltage rating won't change as a result of the current.secondhandname wrote: ↑Fri Sep 22, 2017 6:19 amSo hold up the holder is rated 300v 3a. So at 1.4a cant it hold over 600? I dunno i. Just gonna run it and place electrical tape behind the connection to insulate from any arc. Seems unlikely to happen anyway and if it did as far as i can tell the driver would just go into protection
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No its 250 I dunno why I wrote 300. Oh well, I'm just going to run them and see what happens. Those ratings are often conservative anyway. From my research it seems, like i said, worst case scenario the holder arcs to the heatsink, perhaps melts the plastic on the holder a bit and the driver goes into protection. I'll keep an eye on it when I power it up, take temp readings ect and report back. The info might be helpful for others in the same boat as me.
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cobkits guy did mention to ground my heatsinks. Whats that mean? I've never seen that in any of the tutorials ive watched/read and I dont think I did it on my last build
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the chips heatsinks ect are in! just waiting on the drivers