IP Electrical Exam – Electrical Trade Certification – study
material
It is used to allow the motor to come up to speed before changing to delta. - correct answer
✔✔Why would a timing relay be used in a wye/delta starter?
The transformer primary and the fan control switch. - correct answer ✔✔Which devices are
found in the 120 Volt circuit of a domestic furnace?
It is located on the intake side of the fan. - correct answer ✔✔Where is the filter located?
35 - correct answer ✔✔In an average house, what percent of the air should be exchanged in an
hour?
can be rated and sized independently - correct answer ✔✔Control circuit wiring and power
circuit wiring used in low voltage switching systems:
They are found in restaurants, body shop paint booths, and parkades. - correct answer ✔✔In
what applications are "Make-up air units" ideally found in?
controlled by a switch near the entrance. Rule 26-356 - correct answer ✔✔Electrical equipment
vaults must have adequate lighting:
The insulation rating should be the same as the ungrounded conductors. Rule 4-016 - correct
answer ✔✔What must happen when insulated neutrals conductors are used?
It would increase due to motor slowing down, CEMF decreasing, and less current limiting in Gen
effect. - correct answer ✔✔As load on a DC motor is increased why would the armature current
increase?
,It is known as a differential-compounded generator. - correct answer ✔✔What is a "constant-
current" DC generator known as?
hot surface igniter (symbol of it) - correct answer ✔✔In a HVAC unit, which component heats
up to the combustion temperature of gas to provide ignition?
They provide the sequential order of operation in its simplest form. - correct answer ✔✔Why
are schematic diagrams are useful for troubleshooting furnaces?
It is mounted indoors and absorbs heat from the blower air. - correct answer ✔✔Where is the
evaporator coil of a cooling system mounted?
562500 cmils. - correct answer ✔✔What is the cross sectional area of a conductor that has a
diameter of 0.75 of an inch?
No. 14 AWG copper. Rule 22-104 - correct answer ✔✔Referring to Section 22, pendant
lampholders must be of the weatherproof type and hung from insulated stranded conductors of
not less than:
10.5 times the diameter of the cable for low voltage cable. (High volt is 18 times) Found in Rule
12-614 - correct answer ✔✔What is the minimum bending radii measured at the innermost
surface of the conduit when armoured cables are installed in accordance with rule 12-602?
There are third guardrail secured in place. - correct answer ✔✔When can an electrician carry
out work on top of a scaffolding?
200, Rule 12-910 - correct answer ✔✔What is the maximum number of conductors allowed in
one conduit?
, They would be called isolating diodes. - correct answer ✔✔What would the diodes that would
be used in a truck and camper with two separate batteries be called?
Table 4 and Table 5C. - correct answer ✔✔What Tables are used to determine the ampacity of
25 Aluminum #8 AWG insulated conductors run in a raceway or cable through a room that is
30°C in temperature?
Attachment plug; Rule 28-500 3/ a/ - correct answer ✔✔Which of the following means cannot
be used for controlling a 0.5Hp, 3 phases motor?
#12 AWG, Rule 4-002 - correct answer ✔✔What is the smallest conductor allowed for branch
circuit wiring using aluminum?
On large light and power installations. Rule 2-014 - correct answer ✔✔When are electrical plans
and specifications required by the inspection department?
#18 AWG; Rule 16-104 1/ b/ and Rule 12-108 5/ - correct answer ✔✔A control circuit is
required to carry 2A of current at 600V. If the control conductors are to be run in parallel, what
is the minimum size?
4; Rule 32-308 2/ - correct answer ✔✔What is minimum number of transfer switch required in
a building that has 3 Fire pumps and an emergency exit and lighting system?
The ambient temperature. Rule 6-302 - correct answer ✔✔When determining the insulation
requirements for overhead service conductors, which of the following variables are important?
6 kW; Explanation in Rule 8-202 - correct answer ✔✔An apartment has 13 suites with living
areas of 110 meters squared. What is the basic load applied toward the apartment feeder,
based on the area of the suite?
material
It is used to allow the motor to come up to speed before changing to delta. - correct answer
✔✔Why would a timing relay be used in a wye/delta starter?
The transformer primary and the fan control switch. - correct answer ✔✔Which devices are
found in the 120 Volt circuit of a domestic furnace?
It is located on the intake side of the fan. - correct answer ✔✔Where is the filter located?
35 - correct answer ✔✔In an average house, what percent of the air should be exchanged in an
hour?
can be rated and sized independently - correct answer ✔✔Control circuit wiring and power
circuit wiring used in low voltage switching systems:
They are found in restaurants, body shop paint booths, and parkades. - correct answer ✔✔In
what applications are "Make-up air units" ideally found in?
controlled by a switch near the entrance. Rule 26-356 - correct answer ✔✔Electrical equipment
vaults must have adequate lighting:
The insulation rating should be the same as the ungrounded conductors. Rule 4-016 - correct
answer ✔✔What must happen when insulated neutrals conductors are used?
It would increase due to motor slowing down, CEMF decreasing, and less current limiting in Gen
effect. - correct answer ✔✔As load on a DC motor is increased why would the armature current
increase?
,It is known as a differential-compounded generator. - correct answer ✔✔What is a "constant-
current" DC generator known as?
hot surface igniter (symbol of it) - correct answer ✔✔In a HVAC unit, which component heats
up to the combustion temperature of gas to provide ignition?
They provide the sequential order of operation in its simplest form. - correct answer ✔✔Why
are schematic diagrams are useful for troubleshooting furnaces?
It is mounted indoors and absorbs heat from the blower air. - correct answer ✔✔Where is the
evaporator coil of a cooling system mounted?
562500 cmils. - correct answer ✔✔What is the cross sectional area of a conductor that has a
diameter of 0.75 of an inch?
No. 14 AWG copper. Rule 22-104 - correct answer ✔✔Referring to Section 22, pendant
lampholders must be of the weatherproof type and hung from insulated stranded conductors of
not less than:
10.5 times the diameter of the cable for low voltage cable. (High volt is 18 times) Found in Rule
12-614 - correct answer ✔✔What is the minimum bending radii measured at the innermost
surface of the conduit when armoured cables are installed in accordance with rule 12-602?
There are third guardrail secured in place. - correct answer ✔✔When can an electrician carry
out work on top of a scaffolding?
200, Rule 12-910 - correct answer ✔✔What is the maximum number of conductors allowed in
one conduit?
, They would be called isolating diodes. - correct answer ✔✔What would the diodes that would
be used in a truck and camper with two separate batteries be called?
Table 4 and Table 5C. - correct answer ✔✔What Tables are used to determine the ampacity of
25 Aluminum #8 AWG insulated conductors run in a raceway or cable through a room that is
30°C in temperature?
Attachment plug; Rule 28-500 3/ a/ - correct answer ✔✔Which of the following means cannot
be used for controlling a 0.5Hp, 3 phases motor?
#12 AWG, Rule 4-002 - correct answer ✔✔What is the smallest conductor allowed for branch
circuit wiring using aluminum?
On large light and power installations. Rule 2-014 - correct answer ✔✔When are electrical plans
and specifications required by the inspection department?
#18 AWG; Rule 16-104 1/ b/ and Rule 12-108 5/ - correct answer ✔✔A control circuit is
required to carry 2A of current at 600V. If the control conductors are to be run in parallel, what
is the minimum size?
4; Rule 32-308 2/ - correct answer ✔✔What is minimum number of transfer switch required in
a building that has 3 Fire pumps and an emergency exit and lighting system?
The ambient temperature. Rule 6-302 - correct answer ✔✔When determining the insulation
requirements for overhead service conductors, which of the following variables are important?
6 kW; Explanation in Rule 8-202 - correct answer ✔✔An apartment has 13 suites with living
areas of 110 meters squared. What is the basic load applied toward the apartment feeder,
based on the area of the suite?
