D2 LT4 CEC Section 30 Installation of Lighting Equipment

Question 1

What is covered in Section 30 of the Code?

Answer 1

Lighting installations

Question 2

What is the purpose of Rule 30-200?

Answer 2

Prevent fires

Question 3

What is illustrated in Figure 49?

Answer 3

Luminaires in clothing closets

Question 4

What is the minimum height requirement for a lampholder above the floor?

Answer 4

2.1 m

Question 5

What is the minimum horizontal distance required for a wall switch from a shower stall or bathtub?

Answer 5

1 m

Question 6

What is the exception for installing switches in a stairwell?

Answer 6

If it has fewer than three risers or leads to a below-grade basement with no finished area and only one access through the stairway, one switch at the head is acceptable.

Question 7

What is the minimum length required for tap conductors according to Subrule (3)?

Answer 7

450 mm

Question 8

What must be installed near combustible materials?

Answer 8

Protective shades or guards

Question 9

Where should the switch be located if a regular luminaire is installed in a damp location?

Answer 9

On the wall

Question 10

What can be done if the 1 m rule for the wall switch distance from the tub cannot be met?

Answer 10

Install switch outside the bathroom or a minimum distance of 500 mm with GFCI protection.

Question 11

What rule addresses the lighting requirements for unfinished basements?

Answer 11

Rule 30-506

Question 12

What is the maximum length allowed for tap conductors according to Subrule (3)?

Answer 12

2 m

Question 13

What is a cable lighting system?

Answer 13

Extra-low voltage system with two parallel cables and attached lighting heads

Question 14

Where are bare-lamp fixtures or suspended lighting forbidden?

Answer 14

In clothing closets

Question 15

For unfinished basements, how often is a light fixture required according to Rule 30-506?

Answer 15

Every 30 m or portion of 30 m of floor area.

Question 16

What is the maximum distance ‘A’ should be from the fixture according to the text?

Answer 16

350 mm

Question 17

What does the rule ensure regarding lighting circuits?

Answer 17

Prevents overloading and opens circuit in case of fault

Question 18

What is required if a lighting fixture is installed in a location with a low ceiling and does not provide 2.1m clearance?

Answer 18

Protection from mechanical damage

Question 19

What is the acceptable distance for a light fixture not approved for a wet location from the tub horizontally?

Answer 19

1.5 m

Question 20

How many light fixtures are needed for an unfinished basement measuring 68 m?

Answer 20

Three

Question 21

What is the required diameter for access to the outlet box through a recessed luminaire?

Answer 21

15 cm

Question 22

What factors determine the overcurrent size for settings other than residential dwellings?

Answer 22

Input voltage and lighting type

Question 23

Why is mechanical protection needed for the lampholder if it is not at the required height?

Answer 23

Prevent severe shock

Question 24

What is the acceptable vertical distance for a light fixture not approved for a wet location from the tub?

Answer 24

2.5 m

Question 25

What is important to consider about heat dissipation in recessed luminaires?

Answer 25

Heat not dissipated as rapidly resulting in higher operating temperatures

Question 26

What must the wiring construction be for temporary electrical installations?

Answer 26

Portable, flexible, easy to modify

Question 27

What is required if the fixture is less than 2.5 m above the floor?

Answer 27

Separate switching

Question 28

What type of fixtures are required in damp areas like bathrooms or utility rooms?

Answer 28

Approved for this location with gaskets and plastic components

Question 29

In which rooms can a lamp controlled by a wall switch connected to a half-switched be allowed according to Subrule (2)?

Answer 29

living rooms and bedrooms

Question 30

What are the two main types of recessed luminaires?

Answer 30

Non-IC and IC

Question 31

What precautions are taken with wiring methods for fixtures generating heat?

Answer 31

Precautions shown in Figure 56

Question 32

Why is there a range specified for the outlet box location in Subrule (4)?

Answer 32

Access to junction box

Question 33

What is a landscape lighting system used for?

Answer 33

Decorative lighting for outdoor areas

Question 34

What is the maximum circuit breaker size for residential dwellings?

Answer 34

15 A

Question 35

What types of fixtures are permitted in clothing closets?

Answer 35

Enclosed fixtures

Question 36

What does Subrule (5) require if the lighting fixture weighs more?

Answer 36

Supported independent of the box with a suitable fixture hanger

Question 37

Which rooms in a residential house should have a light fixture controlled by a wall switch according to Rule 30-502?

Answer 37

kitchens, bedrooms, living rooms, utility rooms, laundry rooms, dining rooms, bathrooms, vestibules (foyer), hallways

Question 38

Under which rule do finished basements fall for lighting requirements?

Answer 38

Rule 30-502

Question 39

What must be provided if the fixture opening is smaller than 150 mm for accessing the junction box?

Answer 39

Separate rectangular access hatch

Question 40

What is the maximum temperature allowed near combustible materials?

Answer 40

90C

Question 41

What can happen if people touch a faulty luminaire in a damp location?

Answer 41

Severe electrical shock

Question 42

Where is one of the lights in the basement required to be installed for safety?

Answer 42

Bottom of the stairs

Question 43

Why are many general requirements of the Code relaxed for temporary wiring?

Answer 43

Impracticality of usual wiring methods

Question 44

Where must all wiring be concealed?

Answer 44

Figure 48

Question 45

How should the light fixture be switched if mounted above the car parking space?

Answer 45

Wall switched

Question 46

What does Figure 57 in the text illustrate?

Answer 46

A temporary service

Question 47

What type of light fixture is permissible if mounted off to the side in a garage or carport?

Answer 47

Switched lampholder type within reach of a Canadian of average height

Question 48

What is the spacing requirement for thermal insulation around Non-IC type luminaires?

Answer 48

76 mm (3')

Question 49

Why must a distance of 13 mm (1/2') be maintained between Non-IC type luminaires and combustible surfaces?

Answer 49

To prevent fire hazards

Question 50

What type of lamps should the electrician use in a type IC recessed luminaire?

Answer 50

Manufacturer's recommended lamps

Question 51

Where can more information on outlet boxes be found?

Answer 51

R Review Section 30 of the Code.

Question 52

What does Section 76 of the Code provide rules for?

Answer 52

Temporary electrical installations

Question 53

What does Rule 30-510 require in each garage and carport?

Answer 53

Light outlet with fixture