5F10 heater wire question

screefer

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Having read that 22 gauge is sufficient for heaters, any thoughts on these two options? They both are tinned 22 gauge one stranded and the other solid core. The stranded is rated 660 v. and obviously has a more robust insulation. The solid core is Elenco hookup wire rated 300 v. The solid core looks weaker but I think would be easier to make lay against the chassis away from the signal wires.
I may have wound the solid too tight but the stranded won’t go any tighter. 21F2B3CA-527B-42B1-92AB-B95CA0ACE331.jpeg
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Phrygian77

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Stranded, unless it's the fully tinned topcoat type, won't stay in place. The push back cloth 22 awg solid stuff won't break, at least not easily, like some types of solid wire.
 

schmee

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I've used both. I used stranded tinned wire for a time when I was having trouble finding solid core that didn't fray bad.
I like working with good cloth push back solid core though... it's just easy to work with, no stripping, no stray strands mucking things up.
 

screefer

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I will use (as per Corliss) the sold core tinned Elenco and try not to wind it too tight.
This will be my second build. The first was a 5F2a Mojo kit and not going as slow as I should, I mistakenly used the 18 gauge B&W speaker wire! I’ll stick with B&W to remind me to take it slow…

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I’ll post a build thread soon😀
 

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dan40

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If you ever decide to use something other than the cloth covered wire, the stranded, pretinned topcoat variety that Phrygian77 mentioned is the best of both worlds. Easy to strip, holds it shape well and comes pretinned for easy soldering. 22awg is all I ever use anymore.

 

corliss1

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The pre-tinned topcoat is the best. I switched to that and don't plan to try anything else if I don't have to.
 

King Fan

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This is a smart and friendly wire discussion, none of that 'my way or the highway' attitude. I like the 'topcoat' *and* the 'vintage cloth' solid. For pure handling, shaping, and lying down, the cloth solid is world champ. But if you also value speed, ease, and neatness of stripping, topcoat takes the crown.

@screefer , how are you twisting? We see suggestions for several methods, and it makes a difference in even-osity, in tightness/tension, and in turns per inch. That said, your skinny wire twist looks pretty decent...
 

screefer

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If you ever decide to use something other than the cloth covered wire, the stranded, pretinned topcoat variety that Phrygian77 mentioned is the best of both worlds. Easy to strip, holds it shape well and comes pretinned for easy soldering. 22awg is all I ever use anymore.

Thanks Dan.
Looks like good stuff but if I can use what I have already purchased then that would keep me in my budget. For two colours and the shipping to Canada, it would cost me $50 cnd. I have been down the “darn it I forgot to order” rabbit hole too many times prepping this build. Amp school ain’t cheap, eh?
I respect the @corliss1 opinion and so will use the Elenco solid wire.
how are you twisting? We see suggestions for several methods, and it makes a difference in even-osity, in tightness/tension, and in turns per inch. That said, your skinny wire twist looks pretty decent...
I used a cordless drill at one end and needle nose pliers at the other. I checked the continuity and nothing broke. If it looks OK to you then that bolsters my decision.:)
 




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