Second Year Electrical Code

Which of the following would be considered an electric vehicle for the purposes of the Section 86 of the Canadian Electrical Code?

An electric motorcycle

Plug-in hybrid electric vehicles are considered electric vehicles for the purposes of Section 86 of the Canadian Electrical Code

True

Which of the following is not considered an electric vehicle for the purposes of Section 86 of the CE Code?

An electric golf cart

What does an electric vehicle connector establish the means of transfer of, between the electric vehicle and the branch circuit?

Power and information

What is the minimum ampacity of a receptacle used for electric vehicle charging equipment?

20 A

Which of the following receptacles could be used to supply a 50 A, 120/240 V, single-phase electric vehicle charging equipment?

14-50 R

Which of the following is not an acceptable indoor location for the installation of electric vehicle charging equipment?

Residential basement

What is the name of the type of heating in which heat is generated by the application of a low ac voltage across an electrically conductive object?

Impedance heating

The rules of Section 62 apply to a portable baseboard heater

False

What type of heating results from heat being generated within electrical insulating and semiconductor materials under the action o a high-frequency electric field?

Dielectric heating

What is defined as a heating unit that is permanently installed in a way that allows it to be removed without damage to the building structure?

Heating fixture

What is the demand towards the main service for the electric space heating in an apartment building that has 40 suites with 3500 W of heating in each suite?

107 500 W

If both electric space heating and air conditioning can be used at the same time, how is their demand calculated towards the main service of an apartment building?

Determine the total loading of the air conditioning and add it to the total loading of the electric space heating with the demand factors of Section 62 applied

What is the minimum size of NMD90 conductor that can be used for an electric space heater rated at 4800 W and 240 V? The equipment is rated at 75 degrees Celcius and the circuit breaker is rated for 80% continuous loading.

No. 14 AWG

What is the minimum NMD90 conductor size for an air conditioner rated at 5500 W and 240 V? Equipment and terminations are rated at 75 degrees Celcius, and the motor is considered to be continuous.

No. 10 AWG

If the total demand from Rule 8-202 1) a) for an apartment suite is 15 600 W, what is the calculated load for the unit? The supply 120/240 V, single-phase, three-wire

65 A

An apartment dwelling unit contains a pottery oven with a rating of 1500 W. What is the total demand toward the suite feeder calculation for the pottery oven?

0 W

In an apartment building, the public panelboard feeds a total of 32 kW of loads not located in the dwelling units. What is the total load demand towards the public panelboard feeder? (no loads have demand factors)

32 kW

In an apartment building with a 120/240 V single-phase, three wire services, there are 40 kW of non-continuous loads connected to the public panelboard. Based on 75 degrees Celcius terminations, what is the minimum size of copper conductors required for the panelboard feeder?

No. 2/0 AWG

A parking lot contains forty 15 A uncontrolled and unrestricted receptacles for vehicle block heaters. What is the total demand for the forty parking stalls?

46 kW

What is the demand load for a feeder supplying fifty 20 A uncontrolled receptacles in a parking lot?

84 000 W

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the calculated load for an individual dwelling unit feeder?

60 A

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the maximum rating of the circuit breaker for each suite?

70 A

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the demand load amount used in calculating the public panelboard feeder?

22 kW

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the minimum conductor size used to supply the public panelboard feeder?

No. 3 AWG

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the calculated load for determining the service conductors?

69 625 W

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the maximum conductor size for the main service when using RW90 XLPE 600 V unjacketed conductors?

350 kcmil AWG

Each suite of a ten-unit apartment has a calculated demand of 9500 W, including 2000 W of electric space heating. Total loads not located in the dwelling units are 10 kW. The public panel feeds ten 15 A uncontrolled and unrestricted car plug receptacles. The service is 120/240 V single-phase, three wire. All termination temperatures are 75 degrees Celcius.

What is the maximum rating of fuses used as the main overcurrent device?

350 A

What is the maximum rating of a consumer’s service using a meter mounting device not equipped with a bypass means?

200 A

Which is not a requirement for metering equipment?

Located outdoors

What is the maximum voltage rating for metering equipment if it is not to be located on the supply side of the service disconnecting means?

300 V

Which of the following does metering equipment include?

Current transformers

What is the maximum number of service boxes that can be connected to a consumer’s service?

One

What is the maximum number of consumer’s services of the same characteristics connected to one service supply?

Four

The service conductor of a multi-occupancy dwelling is 400 kcmil RW90 copper. What is the minimum size of the grounding conductor required?

No. 6

The service conductor of a multi-occupancy dwelling is 400 kcmil RW90 copper. What is the minimum size of system bonding jumper required?

No. 3

An apartment suite feeder is No. 4 AWG RW90 copper protected by a 90 A overcurrent device. What is the minimum size of a copper bonding conductor required for the panelboard?

No. 8

Which of the following can be used as a bonding conductor?

Rigid metal conduit run indoors

Wherever meter loops are installed to interconnect current transformers and meters, what minimum length of conductors must be provided?

450 mm

What is the maximum voltage for a meter that is connected on the line side of a consumer’s service box?

300 V

What is the maximum ampacity of a meter-mounting device equipped with a bypass installed on the line side?

320 A

How much working space is required immediately in front of the metering equipment?

As per supply authority requirements

If the consumer’s service for an apartment building used 600 A fuses as its main overcurrent device, what is the minimum size of copper grounding conductor used for the service?

No. 6 AWG

If an apartment is fed with No. 3 AWG copper conductors protected by a 100 A circuit breaker, what is the minimum copper bonding conductor size for this suite?

No. 8 AWG

A 200 A service utilizes No. 3/0 AWG Cu conductors and 200 A fuses. What is the copper service raceway jumping bonding conductor’s minimum allowable size if the service raceway is EMT?

No. 6 AWG

Which of the following is not acceptable for bonding terminations?

Soldered connections

Under what circumstances is the minimum size of bonding conductor not based on the ampacity of the overcurrent device?

Where conductor size was increased due to a voltage drop

What is the minimum size of an unprotected copper conductor used to equipotentially bond a metallic gas line in an apartment building?

No. 6 AWG

A disconnect shall be provided in each grounded capacitor feeder or branch circuit.

False

Appropriate warning signs shall be placed on all disconnects for circuits containing capacitors only

True

All capacitors shall be provided with a means of draining the stored charge

True

A capacitor bank can be manually discharged if necessary

False

Decreasing the ohmic value of a discharge resistor would decrease the amount of time taken for the capacitor to fully discharge

True

What percentage of rated current is used in calculating the minimum ampacity of the conductors for a capacitor bank?

135%

A capacitor has a capacitance of 100 uF. How much current will the capacitor draw when connected to a 60 Hz, 120 V supply?

4.52 A

What is the minimum size of T90 copper conductor for a capacitor bank with a current rating of 44 A if all terminations are 75 degrees Celcius?

No. 4 AWG

What percentage of rated current is used in calculating the minimum rating for an open-type contactor controlling a capacitor bank?

135%

What is the largest ampacity rating of a fuse used for a capacitor bank with a rated current of 66 A?

150 A

Capacitors require a means for discharging following de-energization. Which of the following meets the requirements of the CE Code for capacitors in a 600 V system?

Discharging to 50 V within one minute

When does a capacitor bank not require a separate disconnecting means?

When it is connected to the terminals of a motor

What is the minimum rating of a disconnect switch used for a capacitor bank if the bank draws 60 A?

81 A

What are the requirements for a disconnecting means for a capacitor bank?

A disconnecting means must be within sight and within 9 m.

A single-phase motor draws a 65 A at a lagging power factor of 0.60. A capacitor has been connected at the motor terminals to correct the power factor to 0.90 lag. What is the maximum setting of the overload devices in the motor controller if the motor has a service factor of 1.15?

54.1 A

Deck boxes are required to be watertight.

True

Does the U-ground slot on a receptacle installed in a recreational vehicle lot need to be oriented in a certain way?

Yes, except when installed in a horizontal plane

Can temporary wiring installations be interconnected with permanent installations?

No, except by special permission

Can a feeder to a portable distribution centre be a flexible cord of the outdoor type suitable for hard usage as described in 12-402 or 12-406?

No

Can non-metallic-sheathed cable be used to wire a temporary branch circuit?

Yes, when following rules 12-550 to 12-576

Which type of receptacle installed on recreational vehicle lots is required to be protected by a Class A type GFCI?

5-15R

Where can the suitable CSA-type designation of flexible cord used for supplying temporary distribution centres be found?

Table 11A

Vertically mounted receptacles installed on recreational vehicle lots must be oriented so that the U-ground slot is

Uppermost

What is the distance from the inside wall of a permanently installed swimming pool does a standard receptacle require Class A type GFCI protection?

2.2 m

What is the minimum horizontal distance from a hydro-massage bathtub that the controls must be mounted when the controls are not located behind a barrier?

1 m

Where the temporary service equipment is installed in an outdoor location, the equipment must be

Accessible to authorized personnel only

What is the minimum size conductor used for bonding permanently installed pools and for all in-ground pools?

No. 6 AWG

The branch circuit for each receptacle located on a recreational vehicle lot must be preceded by an individual overcurrent device not exceeding

The rating of the receptacle

At what distance from a permanently installed swimming pool must a metal fence be bonded?

1 m

In what section of the CE Code are the grounding requirements for temporary wiring found?

Section 10

Which is true for lighting circuits in temporary wiring installations?

They must be kept entirely separate from power circuits

Two panels can be used to supply the circuits in a patient care environment if one of the panels is supplied from an essential electrical system

True

Receptacles in basic care areas shall be bonded to ground by copper equipment bonding conductors.

True

Automatic transfer switches must include a means for safe manual operation

True

How far does a patient care environment extend beyond the perimeter of a patient bed in a patient care area?

1.5 m 

Which receptacles in a basic care area are not required to be hospital grade?

Receptacles located in a bathroom

Which type of circuit is required for a nurse call system in a patient care area?

Class 1

Which type of insulation is permitted for conductors in an isolated system?

RW75 EP

How many duplex receptacles does CSA Z32 require for each patient care environment in an intermediate care area?

Four

A pot light above an intermediate care area does not require a No. 12 AWG bonding conductor if the light is over 2.3 m above which of the following?

The floor level

Which circuit breaker is required in an isolated panelboard for a 5-15R receptacle wired with No. 12 AWG conductors?

Double-pole 15 A

A communication circuit is classed as a signal circuit

False

A low-energy power circuit is not a remote control circuit or a signal circuit

True

What is the maximum overcurrent device rating that can be used to protect a Class 1 remote control circuit wired with No. 16 AWG conductors?

10 A

What is the maximum voltage that a Class 1 signal circuit can operate at?

600 V

Which conductor is acceptable for a Class 1 signal circuit if EMT is the wiring method and the overcurrent protection is 5 A?

No. 16 AWG copper

Which of the following is an acceptable method of limiting the current of a Class 2 remote control circuit rated at 24 V?

A power supply that is limited to an output of 100 VA under normal or fault conditions

What is the maximum overcurrent protection on the primary side of a 24 V, 80 VA Class 2 transformer?

20 A

What is the maximum allowable ampacity of a No. 19 AWG Class 2 conductor when installed in a raceway containing a total of six conductors?

3.2 A

On a set of construction prints, the electrical site plan shows four locations for pole-mounted luminaires. The architectural site plan shows five locations for these pole-mounted luminaires. The addendum does not note this change. Which plan would you take as correct?

The architectural site plans