D2 LT4 CEC Section 30 Installation of Lighting Equipment Flashcards
What is covered in Section 30 of the Code?
Lighting installations
What is the purpose of Rule 30-200?
Prevent fires
What is illustrated in Figure 49?
Luminaires in clothing closets
What is the minimum height requirement for a lampholder above the floor?
2.1 m
What is the minimum horizontal distance required for a wall switch from a shower stall or bathtub?
1 m
What is the exception for installing switches in a stairwell?
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.
What is the minimum length required for tap conductors according to Subrule (3)?
450 mm
What must be installed near combustible materials?
Protective shades or guards
Where should the switch be located if a regular luminaire is installed in a damp location?
On the wall
What can be done if the 1 m rule for the wall switch distance from the tub cannot be met?
Install switch outside the bathroom or a minimum distance of 500 mm with GFCI protection.
What rule addresses the lighting requirements for unfinished basements?
Rule 30-506
What is the maximum length allowed for tap conductors according to Subrule (3)?
2 m
What is a cable lighting system?
Extra-low voltage system with two parallel cables and attached lighting heads
Where are bare-lamp fixtures or suspended lighting forbidden?
In clothing closets
For unfinished basements, how often is a light fixture required according to Rule 30-506?
Every 30 m or portion of 30 m of floor area.
What is the maximum distance ‘A’ should be from the fixture according to the text?
350 mm
What does the rule ensure regarding lighting circuits?
Prevents overloading and opens circuit in case of fault
What is required if a lighting fixture is installed in a location with a low ceiling and does not provide 2.1m clearance?
Protection from mechanical damage
What is the acceptable distance for a light fixture not approved for a wet location from the tub horizontally?
1.5 m
How many light fixtures are needed for an unfinished basement measuring 68 m?
Three
What is the required diameter for access to the outlet box through a recessed luminaire?
15 cm
What factors determine the overcurrent size for settings other than residential dwellings?
Input voltage and lighting type
Why is mechanical protection needed for the lampholder if it is not at the required height?
Prevent severe shock
What is the acceptable vertical distance for a light fixture not approved for a wet location from the tub?
2.5 m
What is important to consider about heat dissipation in recessed luminaires?
Heat not dissipated as rapidly resulting in higher operating temperatures
What must the wiring construction be for temporary electrical installations?
Portable, flexible, easy to modify
What is required if the fixture is less than 2.5 m above the floor?
Separate switching
What type of fixtures are required in damp areas like bathrooms or utility rooms?
Approved for this location with gaskets and plastic components
In which rooms can a lamp controlled by a wall switch connected to a half-switched be allowed according to Subrule (2)?
living rooms and bedrooms
What are the two main types of recessed luminaires?
Non-IC and IC
What precautions are taken with wiring methods for fixtures generating heat?
Precautions shown in Figure 56
Why is there a range specified for the outlet box location in Subrule (4)?
Access to junction box
What is a landscape lighting system used for?
Decorative lighting for outdoor areas
What is the maximum circuit breaker size for residential dwellings?
15 A
What types of fixtures are permitted in clothing closets?
Enclosed fixtures
What does Subrule (5) require if the lighting fixture weighs more?
Supported independent of the box with a suitable fixture hanger
Which rooms in a residential house should have a light fixture controlled by a wall switch according to Rule 30-502?
kitchens, bedrooms, living rooms, utility rooms, laundry rooms, dining rooms, bathrooms, vestibules (foyer), hallways
Under which rule do finished basements fall for lighting requirements?
Rule 30-502
What must be provided if the fixture opening is smaller than 150 mm for accessing the junction box?
Separate rectangular access hatch
What is the maximum temperature allowed near combustible materials?
90C
What can happen if people touch a faulty luminaire in a damp location?
Severe electrical shock
Where is one of the lights in the basement required to be installed for safety?
Bottom of the stairs
Why are many general requirements of the Code relaxed for temporary wiring?
Impracticality of usual wiring methods
Where must all wiring be concealed?
Figure 48
How should the light fixture be switched if mounted above the car parking space?
Wall switched
What does Figure 57 in the text illustrate?
A temporary service
What type of light fixture is permissible if mounted off to the side in a garage or carport?
Switched lampholder type within reach of a Canadian of average height
What is the spacing requirement for thermal insulation around Non-IC type luminaires?
76 mm (3’)
Why must a distance of 13 mm (1/2’) be maintained between Non-IC type luminaires and combustible surfaces?
To prevent fire hazards
What type of lamps should the electrician use in a type IC recessed luminaire?
Manufacturer’s recommended lamps
Where can more information on outlet boxes be found?
R Review Section 30 of the Code.
What does Section 76 of the Code provide rules for?
Temporary electrical installations
What does Rule 30-510 require in each garage and carport?
Light outlet with fixture
