24 Questions
In the Philippine Electrical Code (PEC), what is an auxiliary conductor used for?
Pilot wire
According to the RME Board April 1994 and RME Board October 1995, what clearance over the roof should service entrance conductors passing over roots have?
2500 mm
What percentage of the wireway area should the conductors, including splices and taps, NOT fill?
75%
According to the Philippine Electrical Code (PEC), what is the minimum electrical trade size for liquid-tight metal conduit?
25 mm
What is the minimum vertical clearance required for service drop conductors passing over residential property and driveways?
5500 mm
Where can the equipment bonding jumper be installed?
Inside or outside of a raceway or enclosure
How should electricians consider electrical equipment to avoid personal injury?
Live unless they are certain they are not
Where should electrical floor assemblies not be installed?
Wet or damp locations
What is the minimum working space required in front of switchboards or motor control centers with exposed energized parts?
1000 mm
What is the minimum air space required for cabinet and cutout boxes between the base of the device and the wall of any metal cabinet or cutout box?
2.0 mm
What is the minimum size allowed for service conductors in cable?
5.5 mm2
What is the demand factor for the first 10 kVA or less for non-dwelling receptacle loads?
100%
Within what distance must seals on conduit entering an enclosure for switches, circuit breakers, etc., be installed?
460 mm
How many times can the ampacity of conductors be derated?
At most three times
What is the minimum working space required for de-energized parts as per the Philippine Electrical Code (PEC)?
36 inches
What is the ampacity of branch circuit conductors as defined in the Philippine Electrical Code (PEC)?
Varies based on the application
What is the duty cycle of a motor-generator arc welder according to the Philippine Electrical Code (PEC)?
75%
What is the vertical clearance required for communication conductors as per the Philippine Electrical Code (PEC)?
18 inches
What is the rating or setting of over-current protective devices for electric space heating equipment according to the Philippine Electrical Code (PEC)?
Dependent on the heating capacity
What is the minimum number of branch circuits required for a specific application according to the Philippine Electrical Code (PEC)?
Dependent on the load calculation
What is the minimum size of insulated conductors for cable tray cables as per the Philippine Electrical Code (PEC)?
Dependent on the ambient temperature
What is the vertical clearance requirement for switches used in watercrafts according to the Philippine Electrical Code (PEC)?
12 inches
What is the capability of switches used in watercrafts according to the Philippine Electrical Code (PEC)?
Dependent on the vessel size
What is the duty cycle of a repulsion motor as per the Philippine Electrical Code (PEC)?
100%
Study Notes
Philippine Electrical Code (PEC) Part 10
- The text is a series of multiple-choice questions (MCQ) in the Philippine Electrical Code (PEC).
- The questions are related to electrical engineering and cover topics such as transformers, power plants, wiring methods, and motor components.
- Each question is followed by options and the correct solution.
- The questions cover a wide range of topics including conductors, power plants, wiring methods, and motor components.
- The questions cover different types of equipment such as AC transformers, DC rectifiers, electric locomotives, and switch components.
- The text also covers specific requirements for different types of electrical equipment, such as the minimum working space required for de-energized parts and the disconnecting means for dwelling units.
- It includes details on the ampacity of branch circuit conductors and the rating or setting of over-current protective devices for electric space heating equipment.
- The questions cover technical details such as the minimum number of branch circuits and the sizes of insulated conductors for cable tray cables.
- The text also includes questions on specific equipment configurations, such as the duty cycle of a motor-generator arc welder and the components of a repulsion motor.
- It provides information on safety requirements, such as the vertical clearance for communication conductors and the capability of switches used in watercrafts.
- The text also covers specific terms and definitions related to electrical engineering, such as luminous discharge, corona, and branch circuits.
- Each question is followed by the correct answer and an explanation of the solution, providing a comprehensive review of the Philippine Electrical Code for electrical engineering students.
Test your knowledge of the Philippine Electrical Code (PEC) with this comprehensive multiple-choice quiz. Covering topics such as transformers, power plants, wiring methods, and motor components, this quiz is ideal for electrical engineering students and professionals looking to enhance their understanding of PEC regulations and requirements. Each question is accompanied by detailed explanations, making it an invaluable study resource.
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