NCCER Electrical Level 2 Module 5 Pull and Junction Boxes Questions and Answers

Which of the following describes a Myers-type hub? A gasketed fitting with an O-ring used to provide water tight conduit connections Which of the following conduit bodies has a single cover opening on both sides? Type LRL Which of the following are used to protect conductors from being damaged by the sharp edges of the threaded conduit end? Insulated bushings Which type of conduit body does not provide a change in direction but may be used as a pulling points in a conduit run that has been totaling more than 360° ? Type C Boxes must be marked with the words "danger-high voltage-keep out" if they house conductors over 1000 V Which of the following are defined by the NEC as separate portions of a conduit that provide access through a removable cover to the interior of the system at a junctions of two or more section? Conduit bodies NEMA and IP classify pull in junction boxes according to the Degree of protection from the elements they provide The abbreviation for an entrance ell (elbow) is SLB For a pull box housing shielded conductors carrying over 1,000v the distance between a conductor entry and exit must be how much greater than the outside diameter of the conductor? 36 times Which of the following can be used as an inexpensive alternative to a tee conduit body when running EMT? A standard 4" square box with a cover What type of fitting should be used for EMT in a wet location? Compression Which type of conduit body has a raise cover and allows right angle bends where splices, taps, and pulls are needed in a weatherproof chamber? Moguls