Electronics many generations ago were required to withstand 600
volts transients without damage. Your damage is the 'canary in the
coalmine'. Nobody should have such transients. And such transients
are routinely averted when protector is earthed where wires enter the
Well you had numerous small (but destructive) transients. What will
happen when the big one comes? Serious surges occur typically once
every seven years. Your 'dead' canary is reporting insufficient
protection. Others have said how easily protection is installed - at
about $1 per protected appliance. All appliances contain serious
protection. Due to insufficient protection at the service entrance,
you have transients that have overwhelmed that existing protection.
Listen to the dead canary.
westom formerly posted for many years as w_tom. He's a grade-A usenet
nutball who only posts about surge suppressors. Sometimes his advice
is "a little off", and sometimes it is potentially fatal. Believe
anything he tells you at your own peril.
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