![]() ![]() What would be the minimum size electrical box given that four 2″ conduits enter the side of the box, and four 2″ conduits also exit the bottom of the enclosure (assume a 600 V external installation)?.Step_4: Calculate 30 amperes x 0.50 x 1.00 = 15 amperes.Step_3: Table 310.15(B)(1)(1) lists a correction factor for 86 deg F, 90 deg C wire at 1.00.What would be the maximum conductor ampacity permitted given the following installation? (Ten conductors, 12 AWG, THHN, 86 degrees F.). ![]() What would be the calculated minimum size feeder circuit conductors for Multiple Motors on the same feeder given the following conditions? (230 volts, Three-Phase, Motor 1: 10 HP, Motor 2: 2 HP).Our sample exams simulate your actual PSI state exam! 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 Texas Journeyman Electrician NEC 2023 exam preparation is our specialty since 1972. ![]()
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