TX Master practice test
TX Master · Question 1 of 2574:04
Electrical Feeders
A 3-phase feeder carries 40 A of noncontinuous load and 80 A of continuous load. The conductors are copper with 75 degrees C terminations. What is the minimum conductor size?
Press A–D or 1–4 to choose an answer while this question is on screen.
Lug is off during timed tests. On the free 10-question check and in untimed course practice, Lug walks you through your answers.
Original practice questions written to TDLR's published content outline. Each answer key is re-checked by a separate blind solve, and every explanation cites the code section or source it relies on. Never real or recalled exam questions.