An electric dryer is rated at 7.5 kW and 120/240 volts, 3-wire, single-phase. The terminals on the dryer and panelboard are marked 75°C.
a. What is the wattage rating?
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b. What is the current rating?
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c. What minimum size type THHN copper conductors are required?
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d. If EMT is used, what minimum size is required?
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