Amazon offers the Klein Tools GFCI Receptacle Tester for $19.98. That’s a $5 low. Shipping is free for Prime members. Buy Now at Amazon
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LCD tests GFCI trip time detects wiring faults auto-hold function

Amazon offers the Klein Tools GFCI Receptacle Tester for $19.98. That’s a $5 low. Shipping is free for Prime members. Buy Now at Amazon
LCD tests GFCI trip time detects wiring faults auto-hold function