AZ ROC B-10 Premanufactured Spas And Hot Tubs Practice Questions - Arizona ROC B-10 Premanufactured Spas And Hot Tubs Examination Exam

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A 4.0 kW electric spa heater operates at 240 Volts single-phase. Calculate the continuous operating current draw, and determine the minimum branch circuit conductor ampacity required under NEC rules (125% continuous duty rating).

22.50 A current draw; minimum 28.13 A conductor ampacity 20.00 A current draw; minimum 25.00 A conductor ampacity 14.28 A current draw; minimum 17.85 A conductor ampacity 16.67 A current draw; minimum 20.83 A conductor ampacity

Correct Answer:

16.67 A current draw; minimum 20.83 A conductor ampacity

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