[Elecraft] KPA500 external mains switch

[Jim Brown]

On 1/18/2019 8:30 AM, Bob McGraw K4TAX wrote:
> Thus I find no need to have individual surge protection for any of the 
> equipment locations in the QTH.   This takes care of microwave, range, 
> furnace, washer, radios, TV's, entertainment systems, phone system and 
> such. 

IEEE studies have shown that lightning can induce up to 3kV on the 
branch circuits that make up house wiring. That's a powerful reason for 
suppressorson branch circuitsto protect equipment!

73, Jim K9YC