Philippine Electrical Code Exam Reviewer Part 2

#1. No automatic cutout or switch shall be placed in the equipment _________conductor of a premises wiring system unless the opening of the cutout or switch disconnects all sources of energy.

#2. This particular size of wire can still be operated from 2 kV up to 8 kV

#3. Service cables, where subject to physical damage, shall be protected by any of the following except for

#4. A 100 % demand factor shall only apply for Electric Clothes dryer up ________ units or less.

#5. Heating cables shall not be installed in the following:

#6. What shall be the minimum creepage distance between open conductor.

#7. In Lighting system, A span exceeding ___________m, the conductor shall be supported by________.

#8. A grounded conductor shall be permitted to be uninsulated as follows except for

#9. Additional feeders or branch circuits shall be permitted where the capacity requirements are in excess of _________ amperes at a supply voltage of _______ volts or less.

#10. Thermoplastic insulation material may stiffen at temperature of

#11. According to PEC, which of the following is not a standard practice?

#12. Service cables, where subject to physical damage, shall be protected by any of the following except for

#13. The ampacity of 3.5 sq mm THWN copper conductor is 30 A in free air. What will be its allowable ampacity if it will be directly buried.

#14. In dwelling units and guest rooms of hotels and motels and similar occupancies, the voltage shall not exceed 230 V, nominal between conductors that supply the terminal of the following. Which one is not included in the standard?

#15. The standard ampere ratings for fuses and inverse time circuit breakers are any of the following except for

#16. What shall be the minimum separation of conductor on Poles.

#17. Overcurrent devices shall be readily accessible unless one of the following applies

#18. The vertical clearances of all service-drop conductors shall be based on conductor temperature of ________, no wind, with final unloaded sag in the wire, conductor, or cable.

#19. Splices or taps shall be permitted within gutters where they are accessible by means of removable covers or doors. The conductors, including splices and taps, shall not fill the gutter to more than______% of its area.

#20. Additional feeders or branch circuits shall be permitted to supply the following except for

#21. At least _____wall switch-controlled lighting outlet shall be installed in every habitable room and bathroom.

#22. If a switch and fuse combination is used, the fuses employed shall be capable of interrupting any current _____ than the interrupting capacity of the switch during a time that the ground- fault protective system will not cause the switch to open.

#23. 15 dwelling units has a demand factor of

#24. The isolating switch ________be required where the disconnecting means is mounted on removable truck panels or metal-enclosed switchgear units that cannot be opened unless the circuit is disconnected and that, when removed from the normal operating position, automatically disconnect the circuit breaker or switch from all energized parts.

#25. Recessed fluorescent luminaires (fixtures) installed in the wall or the ceiling, provided there is a minimum clearance of ________between the luminaire (fixture) and the nearest point of a storage space.

#26. Flexible cords and cables shall be used only for the following except for

#27. Which of the following is the least required by the Code? Flexible cords shall be secured to the undersides of showcases so that

#28. For ranges 8 3⁄4 kW or more rating, the minimum Branch Circuit shall be

#29. Means must be provided for protection of circuits that may be disconnected from the generating station bus. A switch with ________ action used to disconnect the outside circuits from the station generator and alternatively connect these circuits to ground would satisfy the condition of a single set of arresters protecting more than one circuit.

#30. According to PEC only conductors __________or larger are permitted to be connected in parallel to form a single conductor.

#31. According to PEC restricted access shall be defined as located behind one of the following except for

#32. The allowable ampacity of conductor are rated up to _____________volts.

#33. Which of the following is not correct Flexible cord shall be of the hard-service type.

#34. Where installed in raceways, conductors of size ______________ and larger shall be stranded.

#35. Luminaires (fixtures) that require adjusting or aiming after installation shall not be required to be equipped with a/an ___________ provided the exposed cord is of the hard-usage or extra- hard-usage type and is not longer than that required for maximum adjustment. The cord shall not be subject to strain or physical damage.

#36. The disconnecting means for each supply permitted shall consist of not more than _______ switches or _______ circuit breakers mounted in a single enclosure, in a group of separate enclosures, or in or on a switchboard.

#37. Bare conductors shall be securely and rigidly supported so that the minimum clearance between bare current-carrying metal parts of different potential mounted on the same surface will not be less than

#38. The meter disconnect is a load-break disconnect switch designed to interrupt the service load on standard voltage services with self-contained meter sockets. The purpose of the meter disconnect switch is to facilitate _______________except for

#39. What is the minimum clearance between conductors operating at 600 V.

#40. Overhead conductor for festoon lighting shall not be smaller than.

#41. A bushing or the equivalent shall be provided where flexible cord enters at ________. The bushing shall be of insulating material unless a jacketed type of cord is used.

#42. What shall be the minimum size of conductor for signage?

#43. The size of conductor for grounding of instrument transformer shall be

#44. The terminal for the connection of the equipment grounding conductor shall be identified by one of the following except for

#45. The ampacity of the service-entrance conductors before the application of any adjustment or correction factors shall not be less than

#46. An outlet dedicated only to supply four loads of 250 W, 15 W, 100W and 200 W. What will be the minimum size of conductor in the outlet?

#47. Which of the following is not an approved corrosion resistant material for conduit?

#48. Which of the following element are not permitted to be connected and installed on the supply side of the service disconnecting means.

#49. The size of bonding jumper conductor for a system that supplies Class I – III circuit and is derived from the transformer rated not more than 1 kV shall not be smaller than ____________ copper and ________ aluminum.

#50. What shall be the minimum climbing space between power and communication conductor @ nominal voltage of 600 V.

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