Neon Sign Transformer (NST) Characteristics

This forum is for specialized infomation important to the construction and safe operation of the high voltage electrical supplies and related circuitry needed for fusor operation.
User avatar
Richard Hull
Posts: 12105
Joined: Fri Jun 15, 2001 1:44 pm
Real name: Richard Hull

Re: Neon Sign Transformer (NST) Characteristics

Post by Richard Hull » Sun Nov 18, 2018 5:33 am

Un-potting an NST is a filthy, nasty business. I know, I have un-potted as many as 10 of them when Tesla coiling. This work is best carried out in the back yard on many newspapers spread out all over the area that can simply be balled up and discarded after the fact. WD-40 is needed in quart quantities, to clean the core and windings. Great care must be taken or you will ruin the HV secondary connections in removing the tar. This will ruin the entire effort.

Hands will get filthy as the work progresses if gloves are not worn and WD-40 will be needed to clean the hands. Latex gloves will help, but are easily torn handling the sharper metal edges in the process.

Richard Hull
Progress may have been a good thing once, but it just went on too long. - Yogi Berra
Fusion is the energy of the future....and it always will be
Retired now...Doing only what I want and not what I should...every day is a saturday.

Post Reply