The large Dargan Phase Tester is an essential tool in preventing injury when trying to determine a live wire in electrician installation. The large Phase Tester comes insulated with a plastic handle for protection as well as an alligator clip for ease in carrying about. Coming with a bulb neon bulb which glows when a current flows through the tester, the 7” Dargan Phase Tester is a must for all your electrical works.
Features of the Large Dargan Phase tester:
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