Two glowing red LEDs indicate AC Voltage from 4.5V to 480V while a single glowing LED indicates DC Voltage and polarity from 4.5V to 480V. Neon indic... [Read More]
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Two glowing red LEDs indicate AC Voltage from 4.5V to 480V while a single glowing LED
indicates DC Voltage and polarity from 4.5V to 480V.
Neon indicators glow when voltage reaches 120V, 240V, and 480V