Posted by westom on November 26, 2010 at 15:00:49 from (4.238.145.143):
In Reply to: Re: Surge Protection posted by Don Hopf on November 26, 2010 at 06:28:54:
As accurately noted, the GFCI is to protect humans. A surge protector is almost defined accurately.
A surge protector earths destructive surges. Surges that are connected to earth outside the building, then, do not go searching for earth destructively via appliances. Then protection already inside all appliances is not overwhelmed.
GFCI is for human safety. Effective surge protection is for transistor safety. The protector is not protection. The protector either connects surges harmlessly to protection. Or it does virtually nothing.
Essential to transistor protection is a 'whole house' protector connected within feet of single point earth ground. Where does massive energy harmlessly dissipate? In the protection - single point earth ground.
Effective protectors are sold by more responsible companies including Leviton, Square D, General Electric, Siemens, ABB, and Intermatic. A Cutler-Hammer solution sells for less than $50 in Lowes and Home Depot.
Why does one 'whole house' protector protect everything? Because it is connected 'less than 10 feet' to single point earth ground. What is the #1 item always inspected or upgraded to protect all appliances? Where is even a direct lightning strike harmlessly absorbed? Lightning is typically 20,000 amps. So one 50,000 amp 'whole house' protector connects even direct lightning strikes harmlessly (and short) to the upgraded single point earth ground - the protection.
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