PEC 5

Equipment for installation in hazardous locations must be tested and approved for use according to the classification of the hazards involved. These are divided into ______ groups.

• 4

• 3

• 7

• 6

Compliance with the provisions of the PEC will result in ______.

I. freedom of hazards

II. good electrical service

III. an efficient system

• I, II and III

• I and II only

• I only

• II only

Auxilliary gutters shall not contain more than ______ current carrying conductors at any cross section.

• 36

• 32

• 30

• 24

IN hazardous locations, the use of non-metallic conduit shall be permitted provided it is buried NOT less than ______ below the earth level.

• 400 mm

• 600 mm

• 1,000 mm

• 500 mm

Hazardous locations in which easily ignitable fibers or materials producing combustible flyings are handled, manufactured or used.

• Class III, Division 1

• Class III, Division 2

• Class I, Division 1

• Class I, Division 2

There are situations where deviations from the code requirements are necessary. Before such deviations are made, there must be a written permission from one of the following entities. Which one is this?

• Board of Electrical Engineering

• Code of Enforcing Authority

• IIEE Code Committee

• hilippine Regulation Board

A point in a wiring system at which current is taken to be used in some equipment.

• grounded

• conductor

• service entrance

• outlet

Circuits with rigid non-metallic conduit approved for direct burial and placed under streets, hi-ways, roads, alleys, driveways and parking lots shall have a minimum cover distance of _______.

• 760 mm

• 900 mm

• 1,000 mm

• 600 mm

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

This type of cable is a fabricated assembly of insulated conductors enclosed in a flexible metal sheath.

• ground wire

• integrated gas spacer

• medium voltage cable

• armored cable