NCCER Electrical Level 2 Module 5 "Pull and Junction boxes" Questions and Correct Answers

Where in the NEC will you find the most information on pull and junction boxes? NEC Article 314 The combination coupling in Figure FQ01 is used to connect ___. Flexible conduit to rigid conduit When calculating the pull box size for straight pulls on systems operating at 1,000V or less, the length of the box must not be less than ______. eight times the trade diameter of the largest raceway If the largest trade diameter of a raceway entering a pull box is 3", and it is a straight pull for 1000V or less, the minimum size box allowed is ___. 24" 3"(8) For a STRAIGHT pull, the length of a pull box housing UNSHIELDED conductors carrying over 1,000V must be _____. 32 times the OD of the largest conductor For a STRAIGHT pull, the length of a pull box housing SHIELDED conductors carrying over 1,000V must be _____. 48 times the OD of the largest conductor For an ANGLED pull, the length of a pull box hosing SHIELDED conductors carrying over 1,000V must be ____. 36 times the OD of the largest conductor For an ANGLED pull, the length of a pull box hosing UNSHIELDED conductors carrying over 1,000V must be ____. 24 times the OD of the largest conductor A conduit body that has openings on four different sides plus an access opening is called a _____. Type X Which of the following best describes how Type FS boxes should be installed? No holes should be drilled in the box for mounting Which of the following enclosures is best suited for splicing conductors? Mogul A Type T conduit body is used to provide a junction point for ____ intersecting conduits. Three Boxes for use in hazardous locations must be rated as ______. Explosion-proof