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Thread: 22 gauge tinned stranded 600v wire for heaters ?

  1. #1
    Woodgrinder/Pickupwinder copperheadroads's Avatar
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    22 gauge tinned stranded 600v wire for heaters ?

    https://www.cedist.com/products/wire...g-50-foot-roll
    Would you recommend this product for heater wires as well as or generally area's in a 50 watt Marshall style build ?
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    "UP here in the Canada we shoot things we don't understand"

  2. #2
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    The isolation is thick as hell. looks like a cable under norm of air and oil enviroment standard. It will be very hard to pose it discretly and aesthetic into electronic equipment. and functional as well
    Last edited by catalin gramada; 03-01-2017 at 03:00 PM.

  3. #3
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    I've used that wire before and its workability was good from what I remember. And I'm pretty sure it's fine for heaters. Never had someone call me about any problems... Here recently I did up my heater wire stock to 20awg but there wasn't any reason, just did.
    ~Semi-No0b Hobbyist~

  4. #4
    Woodgrinder/Pickupwinder copperheadroads's Avatar
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    If i was to build a marshall style amp & wanted to go with Red & Black heater wire like Marshall uses ,what would you recommend ?
    "UP here in the Canada we shoot things we don't understand"

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    Quote Originally Posted by copperheadroads View Post
    If i was to build a marshall style amp & wanted to go with Red & Black heater wire like Marshall uses ,what would you recommend ?
    Noramco - Equipment, Hookup and Switchboard Cable Bare, Tinned, TEW, SIS, GTF, SR, Type B, TR64, GTO-15 Neon Sign Cable

    http://www.noramco.ca/pdf/ele01_07.pdf

    http://www.noramco.ca/pdf/ele01_05.pdf
    Last edited by catalin gramada; 03-01-2017 at 04:28 PM.

  6. #6
    ToneOholic! big_teee's Avatar
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    It may be overkill, but I don't go any smaller than 20awg for power tube heaters.
    Then 22 to preamp heaters.
    T
    copperheadroads and mozz like this.
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  7. #7
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    Quote Originally Posted by big_teee View Post
    It may be overkill, but I don't go any smaller than 20awg for power tube heaters.
    Then 22 to preamp heaters.
    T
    you're right. for preamps more than 22 will be difficult to hook into noval sockets. 18-20 to power tubes are welcome

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    What about something like this? A thinner gauge but with ultra rugged insulation?

    https://tubedepot.com/products/18-ga...de-tefzel-wire

    This wire can be hard to work with but it's ultra strong and rigid, holds in place well, seems like it will last forever. I have used 20 and 18 guage of this type of wire in my builds without issue. for heater windings and everything else too.
    Last edited by nsubulysses; 03-01-2017 at 05:54 PM.

  9. #9
    ToneOholic! big_teee's Avatar
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    I've used some of this in different colors.
    They also stock the 600v wire.
    Hook Up Wire, 20 AWG, Solid, Red, 100 ft - Remington Industries
    This insulation doesn't melt too badly either.
    I bought a lot of pickup magnet winding wire from Remington, and they are a great company.
    T
    Technicians Run the World, but Bankers, Lawyers, and Accountants, Take All The Credit!
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  10. #10
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    Quote Originally Posted by big_teee View Post
    I've used some of this in different colors.
    They also stock the 600v wire.
    Hook Up Wire, 20 AWG, Solid, Red, 100 ft - Remington Industries
    This insulation doesn't melt too badly either.
    I bought a lot of pickup magnet winding wire from Remington, and they are a great company.
    T
    This is a big point of contention for me for the wire posted in post #1. Actually I guess I just accepted it at first but then grew to hate it when i started using the Tefzel wire. I felt like I would never want to go back because you literally can't melt the tefzel insulation so it makes everything look cleaner.

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    In my oppinion solid wire rules. I used for everything and offer the advantage of physical stability. There is a litle bit confusion for me in American awg sistem cause the core diameters are not awg equivalent for solid and stranded. Talking about heaters I have some little tricks. I made myself the wires for heaters using double enamelled wire which I cover with thermocontractible tube, then I twist it. The ideea was to keep the wires as close as possible with very little isolation in between and with a very close pitch. That.s important to reject electromagnetic interference.
    In a past working with stranded I found PVC isolation as best.Why? because can be molded. Twist the wires into drill machine, keep it under tension when finish and heat it with a heat gun till start to soften. Keep it under tension till is cooling. You will get a rigid structure which retain the shape. you can untwist gently and still retain the twisted shape. Cut the twisted wire in pieces need it and just join the ends like shake the hands. It will looks like made from one piece and very rigid. Hope my english is understandable...
    Also want to add it is a good practice to pose the wires (specially the signal ones) "sticked" by chassis.That means it will beneffit by a "shielding effect". That.s easy to do with solid core
    Last edited by catalin gramada; 03-01-2017 at 07:49 PM.
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  12. #12
    rjb
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    Quote Originally Posted by catalin gramada View Post
    In my oppinion solid wire rules. I used for everything
    You must have some pretty stiff guitar cables!

    Quote Originally Posted by catalin gramada View Post
    There is a litle bit confusion for me in American awg sistem cause the core diameters are not awg equivalent for solid and stranded.
    The cross-sectional areas are the same; stranded wire has ~5% larger overall diameter because of geometry.
    https://en.wikipedia.org/wiki/Americ...wire_AWG_sizes
    Last edited by rjb; 03-01-2017 at 10:58 PM.
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    Quote Originally Posted by rjb View Post
    You must have some pretty stiff guitar cables!
    ...not quite. I don.t want to imagine what might happen if using a regular RG type CATV cable will sound beyond compare than most expensive cable I have...
    Last edited by catalin gramada; 03-02-2017 at 12:23 AM.

  14. #14
    Woodgrinder/Pickupwinder copperheadroads's Avatar
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    Quote Originally Posted by big_teee View Post
    I've used some of this in different colors.
    They also stock the 600v wire.
    Hook Up Wire, 20 AWG, Solid, Red, 100 ft - Remington Industries
    This insulation doesn't melt too badly either.
    I bought a lot of pickup magnet winding wire from Remington, and they are a great company.
    T
    I said the same thing 20 gauge solid for heaters but finding the right wire from Ce distribution or Mojotone seems a little difficult . CE dist sells that cloth 20 gauge solid in green (fender style i guess) that is huge i have a spool of it & I didn't use it for heaters as it is too big & bulky
    I will be ordering some stuff from Remington so i will get it there. thanks to everyone but surely keep this thread going ...
    "UP here in the Canada we shoot things we don't understand"

  15. #15
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    Solid core 22 gage wire works fine for heaters/pilot light. Don't know if I'd try using stranded.

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    I'm curious why people don't like stranded? Solid core is annoying to me because it breaks easily when bent. Maybe I've had too much bad experience with V4s
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    Can't say I don't 'like' it, but same size wire solid core handles more current than stranded. 22 ga solid core works for heaters without getting hot. Can't say same thing about 22ga stranded, never having tried that.
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  18. #18
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    It is a reason "hook up" wires are called for. You cannot make a hook with stranded one.

  19. #19
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    Wire has a continuous current rating in free air at a particular ambient temperature.
    The rating is based entirely upon the temperature rise in the wire + the ambient being below the temperature rating of the wire.

    That current rating gets reduced when wires are bundled together (as in 2 wires "bundled" for a heater wiring run) since there can be mutual heating from adjacent wires.
    That current get reduced again for higher ambient temperature (less temp rise in wire can be tolerated and still stay below max wire temp)
    Also gets reduced again for high altitude (e.g. use in aircraft) or if you live in Denver or some place high up. (Denver guys don't freak, the derating factor for you guys is like 0.95).

    Use this table
    Wire Gauges - Current Ratings
    Take the current values from the up to 3 cores (means 3 wires bundled) column.
    It gives you conservative and therefore safe values (typical values of all those de-ratings mentioned have already been applied).
    Note that it tells you 3 Amps max. for 22 AWG heater run.

    I typically run 16 AWG to power tubes and 20 or 22 AWG to preamp tubes.

    I also do aircraft equipment design where we have to do all those calcs. for each wire and prove that there is a fuse or circuit breaker of lower than the wire current rating in the feed to that circuit - to get CASA (Aussie version of FAA) design approval.

    Cheers,
    Ian
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  20. #20
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    This 22awg Topcoat wire is my favorite in my Marshall style builds. It is pretinned for easy soldering, holds it shape great and the insulation holds up great to soldering heat...http://valvestorm.com/Products/Wire

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