>Remember, Polyphasers like MOVs wear out, or blow out with use. A direct
>hit to a bulkhead full of them can get really expensive. MOVs are cheap but
>you do need to get the correct ratings. When purchasing MOVs remember your
>line voltage Peak to Peak is 1.404 times the RMS and the MOV needs to be a
>bit above the P to P. If you have line voltage a bit high at 127 which does
>happen, that's a peak to peak of just over 178 volts. Put in an MOV rated
>under that and it'll get fried, right away.
That is true, but every MOV I see in the Mouser catalog is rated in RMS volts,
so you can indeed choose a 130 or 150 volt MOV for your ~120 VAC power.
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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