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Center for Environment, Commerce & Energy: Electricity: Direct Current (DC) & Alternating Current (AC)
Amprobe® Clamp-On Meter, Analog, 15 to 1000 A, 150 to 600 VAC Electrical Rating, 1000 Ohm Resistance, 50/60 Hz Frequency, 1.9 in Jaw, Rotary Scale Display, +/-3% AC Current Accuracy, +/-3% Voltage
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Why do voltage, current, and power go through zero 120 times per second for 60-Hz AC electricity? | Study.com
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