download the new version for mac Oregon residential appliance installer license prep class

The following reference materials are allowed in the examination center: The Contractors School offers the only Complete 3-in-1 System consisting of:ġ) New NEC 2023 Home Study Computer Program with 15 excellent sample exams with 80 questions in each module to simulate your actual PSI state exam! Correct Answer: Ohms Law: I = P/E = 11000 watts / 240 volts = 46 A.Use Ohm’s Law to calculate what the load current would be, given that a 11,000 watt electrical hot tub (spa heater) is connected to a 240-volt residential service?.Correct Answer: NEC – Table 8, Chapter 9 for circular mil conversion and “k” calculations L = Vd x CM/(2 x I x K) = 120V x 3% x 6530CM/(2 x 13.8A x 12.9) = 66 feet.

Use Ohm’s Law and the NEC to calculate the what the maximum distance would be between the source voltage and a motor load given the following conditions 120 VAC, 1 HP pump motor, 13.8 amps FLA, 12 AWG copper, and Maximum voltage drop of 3%.A swimming pool branch circuit when properly derated with THWN copper conductors would be a minimum size of what, given a load of 208 V, 3 HP, single-phase, continuous duty operation motor?.Our sample exams simulate your actual PSI state exam! Texas Residential Appliance Installer NEC 2023 exam preparation is our specialty since 1972. School enrollment is complete with Home Study Computer Program, Tutoring, and Live Seminars with real questions, answers, code references, and calculations to prepare you for the actual PSI state licensing exam.Ĭustom Home Study Computer Program running on your personal PC

Download the new version for mac Oregon residential appliance installer license prep class