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RE: [TCML] Idle musings about surge suppressors
And that's what I was thinking. Phase-to-phase and phase-to-ground? This is not a 'permitted' installation of the wiring, but I am running it all to code for obvious reasons.
My panel is a 'main lug' type vs a 'main breaker' type (although it's easy to convert and add the main breaker), so I could just add them at the main bus terminals where the feed comes in at the top and be good. My garage lights are fed from the door opener circuit, which is totally independent of the garage sub panel. So as far as safety, the lights will stay on if the breaker trips, but it might be more convenient to just reset the breaker in the garage instead of walking aorund back of the house...
I would still, of course, add filtering on each device I build which will create a lot of hash on the line just as a good design philosophy. Terry filter on NST coils, etc.
Nick A
> From: cmayeux@xxxxxxxxxxxxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: RE: [TCML] Idle musings about surge suppressors
> Date: Mon, 15 Mar 2010 12:26:56 -0500
>
> Most of them are just that... MOV's When I found that out, I built my own with 3 heavy-duty MOV's on a piece of perfboard, then
> covered the whole board in a chunk of heat-shrink tubing... wound up with a module as big around as a small matchbox, with one red,
> one black, and one green wire coming out of the end... total cost, under $10.
> (black to phase A, red to phase B, green to neutral/ground bus bar.)
>
> > -----Original Message-----
> > I wonder if maybe they were referring to the whole-house units which simply plug into your load center
> > to allegedly protect everything from spikes. They use 2 slots, 1 for each pole of the 240VAC. I have
> > installed a 100amp sub panel in my garage and was considering putting one in there as that is where I
> > will power most of my experiments from, and the prices have dropped to only around 60 bucks from $100.
> > Has anyone taken one of these units apart to see what's inside? If it's just MOVs then I won't waste
> > my moola on one.
>
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