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Cooig
Testing Instrument & Equipment
Testing Equipment
Socket polarity tester
(170 products available)
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US UK
Socket
Testers
Voltage Test
Socket
Detector EU Plug Ground Zero Line Plug
Polarity
Phase Check
Socket
Tester
$4.99-$5.99
Min. Order: 5 pieces
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Socket
Polarity
Tester
110/230V Outlet
Tester
Electric Line
Tester
for home and industrial use
$4.58-$5.50
Min. Order: 1 set
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ANENG AC10
Socket
Tester
Plug Detector Zero Line Plug
Polarity
Phase Check Phase Detector US/EU Plug Multimeter Digital
Tester
Ready to Ship
$3.60-$4.10
Min. Order: 1 piece
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RuoShui 469D Digital Display
Socket
Detector Circuit
Polarity
Voltage
Tester
Wall Plug Breaker Finder RCD Test
Socket
Tester
Ready to Ship
$5.59
Shipping per piece: $13.37
Min. Order: 1 piece
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ANENG AC10
Socket
Tester
Plug Detector Zero Fire Line
Polarity
Phase Check Phase Detector US/EU Plug Multimeter Digital
Tester
Ready to Ship
$3.60-$4.10
Shipping per piece: $6.05
Min. Order: 1 piece
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EU Plug Automatic Electric Circuit
Polarity
Voltage Detector Outlet
Tester
Socket
Tester
$3.99-$4.99
Min. Order: 10 pieces
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cULus certified Mains Power Electric
Socket
Safety
Tester
Polarity
Tester
Circuit
Tester
with GFCI test
$2.00-$5.00
Min. Order: 100 pieces
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HT106B
Socket
Outlet
Tester
Circuit
Polarity
Voltage Detector Wall Plug Breaker Finder RCD
Tester
Ready to Ship
$4.50-$6.50
Shipping per piece: $4.72
Min. Order: 1 piece
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