#1. If a cartridge fuse is hot to the touch when you remove it to do some maintenance on the circuit, this most probably indicated that the
#2. The normal operating temperatures of cartridge type fuse at its rating;
#3. After a new series lighting circuit has been completely installed, but before any lamps are in place, a standard lamp bank is connected across the fuse clips with the fuse out, and the circuit switch is closed. Lamps are then screwed into the sockets of one series, one lamp at a time, starting at the ground end. If there is a ground on any series wire, the lamp bank will light when the
#4. Light fixtures suspended from chains should be wired so that the
#5. Service cables, where subject to physical damage, shall be protected by any of the following except for
#6. The code permits the use of only one circuit for small single-family dwelling unit having a floor area of not more than _______ m2 with load not exceeding _________ volt-amperes.
#7. According to the Philippine Electric Code, which of the following must be true of wiring installed to meet the minimum Code requirements?
#8. Conductors on poles shall have a separation of not less than ________ where not placed on racks or brackets.
#9. Building “A” is supplied with 120/240 volt single-phase power from building “B” on the same property “B” is supplied from a three-wire with two ungrounded conductors and one neutral without any metallic water pipe or other metal equipment connections to the building or equipment ground fault protection installed. The neutral conductor must:
#10. The one of the following statements about a plug fuse that is most valid is that it should
#11. The allowable ampacity of 2.0 sq mm THWN copper conductor are rated up to _____________volts.
#12. How would you seal unused convenience outlet in panels and boxes?
#13. According to PEC restricted access shall be defined as located behind one of the following except for
#14. The grounding electrode conductor connection to a driven ground rod shall be which of the following:
#15. What shall be the minimum size of conductor for signage?
#16. A device, or group of devices, or other means by which the conductors of a circuit can be disconnected from their source of supply.
#17. The conductors connecting to motor controllers and to control devices are required to be:
#18. A copper THHN feeder conductor consists of 40 amperes of continuous load and 35 amperes of non-continuous load, and supplies a load that does not contain any general use receptacles but has three current-carrying conductors in a raceway with terminations rated at 75( degrees C. This means that the minimum standard overcurrent device required for the feeder is which of the following:
#19. Provided that the calculation for the neutral for the feeder and service is 14550 VA, then the calculated load for neutral for this same 150 square meter single- family, one-bath dwelling would be which of the following:
#20. From the fuse information paragraph it would be reasonable to conclude that fuse clips
#21. Service entrance equipment includes which of the following: I. Panelboards II. Meter enclosures III. Service disconnecting means
#22. A safe practical way of checking the tightness of the wire connection to the fuse clip of a live 120-volt lighting circuit is to
#23. The allowable fill of electrical conduits.
#24. Good practice requires that cartridge fuses be removed from their clips by using a fuse puller rather than by using the bare hand. The reason for using the fuse puller is that the
#25. The minimum number of branch circuits shall be determined from the ________.
#26. Low voltage equipment in a hospital that comes in frequent contact with people’s bodies must be which of the following:
#27. In open wire installation, the wires are supported on
#28. In house wiring, grounded conductors must not be
#29. Single phase loads connected to the load side of a phase converter shall not be connected in which of the following manners:
#30. The standard ampere ratings for fuses and inverse time circuit breakers are any of the following except for
#31. If a 480 volt motor has a full-load current of 34 amperes, then the standard disconnecting means must be which of the following:
#32. 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.
#33. The grounded leg of a lighting circuit is always connected to the shells of the lighting sockets to
#34. At least _____wall switch-controlled lighting outlet shall be installed in every habitable room and bathroom.
#35. Where conductors are adjusted to compensate for voltage drop, equipment grounding conductors, where required, shall be adjusted proportionally according to __________.
#36. Communication, radio, and television coaxial cables shall be permitted at a height of not less than ______ above swimming and wading pools, diving structures, and observation stands, towers, or platforms.
#37. The carrying capacity of aluminum wire when compared to a similar size of copper wire, which has the same kind of insulation, is
#38. The lowest point of the drip loop of a 208/120 volt, 3-phase, 4-wire electrical system shall have a minimum clearance above a pedestrian sidewalk which is no less than which of the following?
#39. Thirty (30) amperes is one of the five special branch circuits rating with a circuit conductor of
#40. As compared with solid wires, stranded wires of the same cross sectional area have the following advantages EXCEPT one. Which one is this?
#41. Which of the following is the maximum allowable rating of a permanently connected appliance where the branch overcurrent device is used as the appliance disconnecting means?
#42. Arcing tips are used on air circuit breakers to
#43. Medium voltage cable insulation is rated for which of the following:
#44. Fluorescent light fixtures supported independently of an outlet box shall meet which of the following requirements:
#45. A breaker is said to be trip free if
#46. Lighting that is required for a hoist pit shall meet which of the following requirements:
#47. The minimum number of branch circuits required for 12 kW range in this same 145 square meter single-family, one-bath dwelling would be which of the following:
#48. Photovoltaic system currents are considered to be which of the following:
#49. Line and ground connecting conductors shall not be smaller than 2.0 sq mm copper or 3.5 sq mm aluminum. The arrester grounding conductor shall be connected to one of the following except for
#50. A disconnecting means for a controller is also permitted to be the disconnecting means for the motor and driven machine, even where out of sight of the motor and driven machine:
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