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WorksheetssEEdlak ESAID Practice Quiz
Total questions: 100
Worksheet time: 41mins
considered as being concrete, bricks, or tile walls
(a)
An appliance which is fastened or otherwise secured at specific location.
(a)
The best to fight flammable gases/ liquids
Class A Fire Extinguisher
Class B Fire Extinguisher
Class C Fire Extinguisher
Class D Fire Extinguisher
a system which will automatically furnish lighting and/or power to specified areas and/or equipment when there is a failure of the normal supply
(a)
Which of the following does not belong to the Coverage or Scope of PEC
Airfields
Carnivals
Recreational Vehicles
Electric Generating Plants
None of the Above
Characterized by the use of the terms shall be permitted or shall not be required
(a)
Characterized by the use of the terms shall or shall not
(a)
Give the three kinds of electrical installation NOT covered by the PEC. Use the format: answer 1, answer 2, answer 3
(a)
They are informational only and are not enforceable as requirement of the Code.
(a)
Check all the different Referral Codes of the PEC
National Building Code
Fire Code of the Philippines
Structural Code
Philippine Grid Code
National Electrical Code
The electrical plan ,if required, shall be submitted in _ copies.
2
3
5
6
The duly registered electrical contractor shall have a PCAB License for _ Amp Main and above
100
225
200
175
Check all the different sheet sizes of standard electrical plan
760 mm by 1000 mm
600 mm by 900 mm
30" by 40"
24" by 36 "
How high is the title block should be from the bottom of the sheet?
(a)
Which of the following does not belong to the Guidelines for Approval?
Wire bending and connection space
Arcing effects
Specific Use
Electrical Insulation
A certain residential house has a llighting load of 1.760 kVA and a n appliance load of 10 A at 220 V, single phase, two wires, 60Hz. The total current in amperes if all loads are used at the same time
(a)
A circuit when one electrical circuit controls another electrical circuit through a relay.
(a)
This may be connected ahead of the main service
(a)
Listed Equipment must be installed or used in accordance with
the blue print
the electrician
any instructions included in listing or labeling
any instructions provided by the manufacturer or equipment
Which of the following shall be shown for the electrical drawing of a single family dwelling? Check all that apply
floor plan
location plan
one line diagram
computation of illumination
intermittent operation in which the load conditions are regularly recurrent.
(a)
surrounded by a case, housing, fence, or wall(s) that prevents persons from accidentally contacting energized parts.
(a)
the case or housing of apparatus, or the fence or walls surrounding an installation to prevent personnel from accidentally contacting energized parts or to protect the equipment form physical damage.
(a)
action requiring personal intervention for its control.
(a)
a complete lighting unit consisting of a lamp or lamps together with the parts designated to distribute the light, to position and protect the lamps and ballast (where applicable), and to connect the lamps to the power supply.
(a)
a compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system.
(a)
1. When there is no terminal box, meter, or other enclosure, the point of connection is considered to be the point of entrance of the _______ into the building.
ungrounded conductors
service conductors
neutral conductors
service drop
the point of connection between the facilities of the serving utility and the premises wiring.
(a)
constructed so that moisture will not enter the enclosure under specified test conditions.
(a)
1. In cases where service has been cut off for more than ____ year, a new certificate of final electrical inspection shall be required before reconnection.
one
one and a half
two
three
1. The conductors and equipment &/ or devices required or permitted by the Code shall be acceptable, only if
listed
identified
approved
labelled
the minimum headroom of working spaces about service equipment, switchboards, panel boards or motor control centers.
1500 mm
1900 mm
2000 mm
2200 mm
1. The Code is not intended as a design specification nor an instruction manual for (a) persons.
It is the intent of PEC that factory-installed internal wiring or the construction of equipment need not to be inspected at the time of installation of the equipment except
To test for continuity
to detect alteration
to test for durability
all of these
The Philippine Electrical Code covers electric conductors, optical fiber cable, and equipment installed within or on, to or from premises requiring electrical installation except; (Check all that apply)
aircraft
motor vehicles
railway rolling stock
watercraft vehicles
The current amperes that a conductor can carry continuously under the conditions of use without its temperature rating.
(a)
an enclosure that is designed for either surface mounting or flush mounting and is provided with a frame, mat, or trim in which a swinging door or doors are or can be hung.
(a)
all circuit conductors between the service equipment, the source of separately derived system, or other power supply source, and the final branch-circuit overcurrent device.
(a)
the highest current at rated voltage that a device is intended to interrupt under standard test conditions
(a)
For the dwelling unit having a floor area of not more than 50 square meters with a total load not exceeding 3,680 VA, a drawing sheet of size
600 mm by 900 mm
760 mm by 1000 mm
500 mm by 760 mm
297 mm by 420 mm
In the schedule of loads for motor circuits, which of the following is not included?
Type of motor
Motor's manufacturer
Motor as numbered or identified in the power layout
Number of phases
1. A wiring method included in the Code is recognized as being a(n) ______ wiring method.
expensive
efficient
suitable
cost-effective
Connection of conductors to terminal parts shall ensure a thoroughly good connection without damaging the conductors and shall be made by means of
splices
pressure connectors
solder lugs
all of these
Sufficient access and ____ shall be provided and maintained about all electrical equipment to permit ready and safe operation and maintenance of such equipment.
ventilation
working space
cleanliness
circulation
the largest stranded conductor permitted to be connected to terminals by means of upturned lugs is ___ mm2
8
4
5.5
6.5
When normally-enclosed the parts are exposed for inspection or servicing, the working space, if in a passageway or general open space shall be suitably______
accessible
open
guarded
enclosed
1. Electrical equipment provided with ventilating openings shall be installed so that walls or other obstructions do not prevent the ____ of air through the equipment.
movement
release
free of circulation
none of these
The circuit conductors between the final overcurrent device protecting the circuit and the outlet
(a)
A type of branch circuit that supplies one utilization equipment
General Purpose Branch Circuit
Appliance Branch Circuit
Individual Branch Circuit
Multi wire Branch Circuit
A point at which energy is divided among feeders or branch circuits or combination of both, and where over current devices are usually loaded
(a)
classified in accordance with the maximum permitted ampere rating or setting of the branch circuit
(a)
On what branch circuit does one cord and plug connected utilization equipment with maximum rating of 80% of branch circuit ampere rating belong? Check all that apply
15 & 20 A Branch Circuit
30 A Branch Circuit
40 & 50 A Branch Circuit
Above 50 A Branch Circuit
a point in the wiring at which current is taken to supply utilization equipment
(a)
A contact device installed at the outlet for the connection of an attachment plug
(a)
refers to the circuit conductor between the service equipment and the branch circuit over current device.
(a)
originate a distribution center other than the service equipment or generator switchboard and supply one or more other distribution panel boards, branch circuit panel boards, or branch circuit
(a)
TRUE OR FALSE. The Feeder Interrupt Rating shall not be lower than required to supply the computed load and before the application of any adjustment or correction factors, shall have an allowable ampacity not less than the non-continuous load plus 125% of the continuous load
TRUE
FALSE
a string of outdoor lights suspended between two points
(a)
A 15 A or 20 A branch circuit shall be permitted to supply lighting units and other utilization devices. The rating of any one cord- and plug connected appliances shall not exceed a certain percentage of the branch circuit rating. What is the percentage?
80%
70%
90%
50%
Branch circuit within 75 mm of ballast in a ballast compartment shall have a rated insulation temperature NOT less than what value?
90 deg C
60 deg C
120 deg C
75 deg C
Where receptacles are connected to a 30 A branch circuit, the maximum allowable cord- and plug connected load shall NOT be more than ____amperes,
30
16
24
20
The minimum feeder load allows for show-window lighting expressed in volt-amperes per linear foot shall be
300
200
150
225
Communication wires and cable shall be separated by at least what distance from service drops of electric light and power conductors that are NOT installed in raceway or in a cable?
150 mm
175 mm
250 mm
300 mm
Which of the following is a standard classification for a branch circuit supplying several loads? Check all that apply.
20 A
25 A
30 A
50 A
A 3-phase, 4-wire , wye connected, power system used to supply power to _______ loads may necessitate that the power system design allow for the possibility of high harmonic neutral currents.
continuous
linear
nonlinear
non-continuous
A multiwire branch circuit shall supply on _____.
only one utilization equipment
ungrounded conductors that are opened simultaneously
line to neutral loads
all of these
Voltage shall not exceed 600 volts between conductors on branch circuits supplying only ballasts for electric-discharge lamps in tunnels with a height of not less than ____mm
3700
4600
5500
6500
The feeder conductor ampacity shall not be less than that of the service -entrance conductors where the feeder conductors carry the total load supplied by service- entrance conductors with an ampacity of ______or less.
100 A
60 A
55 A
30 A
Total voltage drop on both feeders and branch circuit to the farthest outlet to provide reasonable efficiency of operation shall not exceed
5%
3%
10%
7%
Open conductors on insulators shall be covered when they are within _____mm of a building.
1,000
2,000
3,000
4,000
Running open wiring on insulators, MI or MC cable, messenger- supported wiring, conductos in raceway, and other approved means on the outdoor building surfaces is permitted for circuits operating at a maximum of _____ volts nominal.
600
750
1000
3000
Power conductors on poles, below communications conductors shall maintain a spacing distance of _____ mm
600
650
700
750
The vertical clearance above the roof level shall be m,aintained for a distance not less than ____ mm in all directions from the edge of the roof.
600
700
800
900
In general, a building or other structure served shall be supplies by only ____ service (s).
1
more than 1
3
4
Service conductors shall have vertical clearance of not less than_____ mm above the roof surface
2200
2400
2600
2800
(a) mm² is the minimum size of aluminum or copper clad aluminum conductors, used as service entrance conductors.
. Bored holes in wood members for cable or raceway-type wiring shall be bored so that the edge of the holes is not less than ___ mm from the nearest edge.
30
45
40
35
the conductors and equipment delivering energy from the serving utility to the wiring system of the premises served
(a)
a structure that stands alone or that is cut off adjoining structures by fire walls with all openings therein provided by approved fire doors
(a)
The following are exceptions under special conditions except. Check all that apply
Fire Pumps
Parallel Power Standby Systems
Emergency systems
Optional Standby Systems
Series Power Standby Systems
Service conductors made up in the form of a cable
(a)
The conductors from the service point to the service disconnecting means
(a)
the overhead service conductors from the last pole or other aerial support to and including splices, if any, connecting to the service-entrance conductors at the building or other structure.
(a)
The underground service conductors between the street main, including any risers at a pole or other structure or from transformers, and the first point of connection to the service entrance conductors in a terminal box or meter or other enclosure, inside or outside the building wall.
(a)
the point of connection between the facilities of the serving utility and premises wiring
(a)
The raceway that encloses the service entrance conductors
(a)
The necessary equipment usually consisting of circuit breakers or switches, and fuses, and their accessories, connected to the load end of service conductors to a building or other structures, or an otherwise designated area, and intended to constitute the main control and cutoff of the supply.
(a)
the service conductors between the terminals of the service equipment and a point usyally outside the building, clear of building walls, where joined by tap or splice to the service drop.
Service Drop
Service- Entrance Conductors
Service Equipment
Service Raceway
Service drop conductors not in excess of 600 volts shall have a minimum clearance of ___ feet over over residential property and driveways and those commercial areas not subject to truck traffic.
10
12
14
16
When re-routing conduit, it may be necessary to increase the wire size, if the distance is greater in order to
account current drop
allow for possible resistance drop
compensate for voltage drop
account for ampacity drop
The minimum size service lateral to a branch circuit limited load is ___ copper
#8
#10
#12
#14
Of the two to six service disconnecting means in a panel, only a disconnect used for a___________ is permitted to be remote from the other disconnects.
control wiring
elevator panels
a water pump intended for fire protection
supply to across the line starting
Give the minimum vertical clearance from finished grade of a service drop conductor installed between buildings on residential properties and driveways.
1500 mm
3000 mm
3500 mm
4000 mm
When the voltage between service conductors does not exceed 300 V and the roof has a slope of not less than 100 mm, the clearance can be reduced to
900 mm
1000 mm
1200 mm
1500 mm
The maximum clearance for service drops over buildings
7 feet
8 feet
9 feet
10 feet
. Service conductors passing over roofs must have a clearance over the roof which they pass of
2000 mm
2200 mm
2400 mm
2600 mm
refers to the circuit conductor between the service equipment and the branch circuit overcurrent device.
(a)
Service using copper conductors shall have sufficient capacity and shall NOT be smaller than ___ sq mm.
6.0
8.0
10.0
12.0
In case of conflict about the Interpretation of PEC, which body is authorized to render the final decision?
(a)
Expand the acronym CAPS. Type in ( C___, A_______, P_____, S____)
(a)
