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1 Socket Tester. Residual Current Operated Protective Device and Ground Fault Circuit Interrupter assist you to be aware of whether the power leak-proof protection works well or not, allowing you to protect your security against the risk of electric shock.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.