Re: Transformer wiring hookup 110/220

A word of caution is to power them with your voltage and no load
whatsoevr. just test output with a meter. it would be terrible to
get twice the output on your caps.



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Tim Goldstein" <timg@k...>
wrote:

> You wired it properly the first time. There is only one primary

that has

> multiple taps. Just tape off one red and get on with your CNC
> conversion.
>
> Tim
> [Denver, CO]
> Sherline products at Deep Discount
> Mach1 & DeskCNC with credit card ordering
> www.KTMarketing.com/Sherline
>
> > -----Original Message-----
> >
> > I received my transformers today!!!
> > I went to wire them up and had to stop to think about how to wire
> > them.
> > The transformers are (http://www.mpja.com/product.asp?

product=7846+TR)

> > I hook the blues up for 24V, no problem
> > The primary is what is confussing me.
> > There are 2 red wires and one black.
> > the label on top shows as follows
> > RED 110V| |BLUE 12V
> > | |
> > Black | |Yellow
> > | |
> > RED 220V| |BLUE 12v
> >
> > I would assume if you were using a 220V you would just wire the

reds,

> > and leave the center black disconnected.
> > but what about 110V? I Hooke one red and the black.
> > and bingo 24V across the blues.
> > I started to think about this and though but I don't have the

other

> > half of the primary hooked up.
> > So I wired the other red to the first red.
> > The transformer hummed for a second, then tripped the reset on my
> > power strip.
> > How do I wire for both primarys to power up?
> >
> >
> > Jerry