free instal Louisiana residential appliance installer license prep class

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! You will have four hours to complete this examination.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 The examination is made up of 80 multiple-choice questions which are equally weighted. The following is an outline of the subject areas (in descending order of weight) that will be covered in the exam:

Code Tables, Illustrations, and Footnotes.

Define key components of residential construction, such as roofing, interior and exterior finish, rough carpentry, and masonry.Recognize proper construction worksite practices and safety requirements.Understand the application and requirements of IRC and ICC code.Resource information and links to relevant material are included.Īfter completing this course, learners will: This course will provide a breakdown of each of the exam topics, followed by hundreds of practice questions. This course will prepare students for the exam and is based on the relevant resources listed in the PSI Candidate Bulletin.

Free instal Louisiana residential appliance installer license prep class