Course Home Page California Electrician Test Preparation Quiz Number: No. 7 Teacher: Gerald Newton Teacher's Home Page: http://www.electrician2.com Teacher's Email: electrician@electrician2.com No. of Questions= 20 1. Type MV cable is rated 2,001-volts or higher. a) True b) False 2. Open wiring on insulators above 6 feet from the floor does not require protection. a) True b) False 3. Cable tray systems must not be used in hoist ways. a) True b) False 4. Flexible metal conduit may be used to protect conductors emerging from the ground and run on a pole. a) True b) False 5. Under normal conditions, direct buried cables must be buried at least 24 inches. a) True b) False 6. A No. 6 copper conductor in a vertical raceway must be supported at least every 80 feet. a) True b) False 7. Conductors of size No. 1 for general use may not be run in parallel. a) True b) False 8. A connection of a No. 8 conductor to a terminal can be by means of a pressure connector or solder lug. a) True b) False 9. At least 4 Inches of free conductor must be left at each outlet to connect luminaires. a) True b) False 10. Holes in studs for cables must be in the center and not less than 1 inch from the nearest edge of the stud. a) True b) False 11. The smallest fixture wire permitted by the Code is size No. 18. a) True b) False 12. Flexible cords may not be used if they are concealed behind building walls, ceilings or floors. a) True b) False 13. When six current-carrying conductors are installed in a raceway, the maximum load current of each must be reduced to 70 per cent. a) True b) False 14. A No. 14 grounded conductor in a circuit must have a white or gray color. a) True b) False 15. A feeder tap less then 25 feet long requires overcurrent protection if the ampacity of the tap conductors is at least one-third of the ampacity of the feeder conductors. a) True b) False 16. A conductor in a general circuit with an ampacity of 735-amperes may be protected by an 800-ampere fuse. a) True b) False 17. A three-phase air conditioner must be directly connected to a recognized wiring method and not by flexible cord. a) True b) False 18. An attachment plug and receptacle may disconnect cord-connected household refrigerating equipment. a) True b) False 19. Type AC cable must not be used to connect motors to their supply. a) True b) False 20. The frames of stationary motors supplied by metal-enclosed wiring must be grounded. a) True b) False Go to top of quiz © 2008 Gerald Newton
Quiz Number: No. 7 Teacher: Gerald Newton Teacher's Home Page: http://www.electrician2.com Teacher's Email: electrician@electrician2.com
No. of Questions= 20