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    ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

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    Doctor Hugocat

    Posts : 92
    Join date : 2015-08-19
    Location : Los Angeles CA

    ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

    Post by Doctor Hugocat on Mon Nov 14, 2016 3:17 am

    Hey Guys - I guess the thread title says it all.

    I'm rebuilding my ST-70 ans am using a VTA PCB. I'm still learning about tube electronics, but am dimly aware the the B+ carries a lot of voltage. I was going to use 20awg, but is this enough?

    Any comments would be appreciated, as I'm trying to keep safety in mind. Very Happy

    Bob Latino
    Admin

    Posts : 2437
    Join date : 2008-11-27
    Location : Massachusetts

    Re: ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

    Post by Bob Latino on Mon Nov 14, 2016 4:13 am

    Doctor Hugocat wrote:Hey Guys - I guess the thread title says it all.

    I'm rebuilding my ST-70 ans am using a VTA PCB. I'm still learning about tube electronics, but am dimly aware the the B+ carries a lot of voltage. I was going to use 20awg, but is this enough?

    Any comments would be appreciated, as I'm trying to keep safety in mind. Very Happy

    20 gauge wire is fine ...

    Bob

    Doctor Hugocat

    Posts : 92
    Join date : 2015-08-19
    Location : Los Angeles CA

    Re: ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

    Post by Doctor Hugocat on Mon Nov 14, 2016 7:37 am

    Many thanks Bob!! Very Happy Very Happy

    Peter W.

    Posts : 209
    Join date : 2016-08-08
    Location : Melrose Park, PA

    Re: ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

    Post by Peter W. on Mon Nov 14, 2016 2:34 pm

    Bob Latino wrote:

    20 gauge wire is fine ...

    Bob
    [/size]

    http://www.powerstream.com/Wire_Size.htm  

    Is a useful website for questions of this nature. As Bob noted, 20-gauge is just fine.

    Doctor Hugocat

    Posts : 92
    Join date : 2015-08-19
    Location : Los Angeles CA

    Re: ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

    Post by Doctor Hugocat on Wed Nov 16, 2016 8:29 pm

    Peter W. wrote:
    Bob Latino wrote:

    20 gauge wire is fine ...

    Bob
    [/size]

    http://www.powerstream.com/Wire_Size.htm  

    Is a useful website for questions of this nature. As Bob noted, 20-gauge is just fine.

    Many thanks Pete!! This is a keeper website for future projects. Much obliged!! Laughing

    DynakitParts
    Admin

    Posts : 183
    Join date : 2008-12-01

    Wire Gauge

    Post by DynakitParts on Thu Nov 17, 2016 3:28 am

    Keep in mind that hookup wire is available in various voltage ratings such as 300, 600, 1000 volts.

    I use 600 volt rated wire in most tube amp wiring projects.

    Kevin

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    Re: ST-70 Rebuild....What gauge of wire shoudl be used for B+ voltage to VTA board? Something heavy?

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