Philippine Electrical Code Practice Exam

The following must be provided in locations where electrical equipment would be exposed to physical damage.

• Working space

• Warning signs

• Enclosures or guards

• Sufficient headroom

Frequency is measured in ______.

• voltage

• watts

• hertz

• none of these

Live parts exposed on the front of a switchboard are present, the working space in front of the switchboard shall not be less than ______ mm.

• 1 000

• 1 200

• 900

• 1 500

The PEC defines a continuous load to be a load where maximum current on the circuit is expected to continue for at LEAST ______ hours or more.

• 3

• 4

• 6

• 8

The following copper conductors have the same cross-sectional area but are made up of a different number of strands. Which one has the LEAST resistance to AC current?

• 19-strand conductor

• Single solid conductor

• 7-strand conductor

• 37-strand conductor

Light fixtures suspended from the ceiling by chains should be wired so that the ______.

• chain is grounded

• wires help support the fixture

• wires will not touch the chains

• wires do not support the fixture

The electrical plans for residential house (single family dwelling) include the following items EXCEPT one. Which one is this?

• Substation plan

• Location plan

• Floor plan showing location of service

• Layout and wiring plan for general lighting and receptacle outlets

What is the MAXIMUM number of overcurrent devices of a lighting and appliance panelboard that shall be installed in a cabinet?

• 36 devices

• 42 devices (2009)

• 48 devices (2017)

• 52 devices

A building or other structure serve shall be supplied by only one service drop EXCEPT for ___.

• multiple occupancy building

• fire pumps

• emergency electrical system

• all of these

___ is defined as properly localizing a fault condition to restrict outages to the equipment affected, accomplished by choice of selective fault protective devices.

• Monitoring

• Coordination

• Choice selection

• Fault device