Re: Need help identifying the terminals on my first NST, and how do I test it....

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>

Hi Jack,

Typically, the two big terminals at the ends are 6000VAC each 180 degres 
out of phase for 12kVAC across them.

The two smaller terminals are for 120VAC input.  There will be a case 
ground stud too.

Cheers,

         Terry


At 07:25 PM 6/15/2003 -0400, you wrote:
>Hello All !
>
>You've all helped me a great deal so far building my first TC.  Thanks!
>
>I just received my first NST in the mail.  It's a Magnetek Jefferson 
>Electric Luminous Tube Transformer:
>
>PRI: 120V 60HZ  360VA
>SEC: 12,000V  30MA
>SEC Midpoint Grounded
>
>It has two terminals in big ceramic cylinders on either side of the box 
>labeled S1 and S2, and has another smaller terminal on one of the sides 
>with two electrodes named P1 and P2.  There is also a terminal named GRD, 
>which must be the ground.
>
>My question is, which of these terminals connects to my coil, and which 
>terminals connect to my power supply?  And what do I do with the Ground 
>terminal?  If I connect a three prong plug power cable to this 
>transformer, do I only want to use the + and -- and leave the ground 
>disconnected?  I know I dont want the TC connected to my house ground, so 
>do I run a nice thick cable from the ground terminal on the transformer to 
>a spike in the ground?
>
>Also, how can I test this transformer?  I don't have a meter that can 
>check it, so do I need to do a spark test?  If so, how do I do that with 
>killing myself?
>
>Go easy on me, I know these are very simple questions but I have never 
>worked with HV power before.
>
>Thanks!
>Jack