does spike guard or spike protector really protect the appliances

sanny16

Journeyman
can they protect the laptop and other appliances from high voltage fluctuation? If yes which are the best protector available in the market. I want to know how it works. Should i install spike guard for every electronic appliances?
 

tomys24

Broken In
it do work. belkin is good brand. buy top end belkin. for more details how it works plese see HowStuffWorks "How Surge Protectors Work"
 
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