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Fluke PRV240 proving unit used for validating electrical test tools.
Voltage Source: Provides a known, steady-state \(240\text{ V}\) AC or DC voltage to ensure test tools are working properly before testing for live voltage.
Safety Feature: Reduces the risk of electrical shock and arc flash by verifying tool functionality without needing a known live source.
Design: A portable, battery-powered, pocket-sized device featuring recessed contacts and an LED indicator.