Millwork Quiz

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  • 1/46 Questions

    Accessible (barrier free) counters should be no higher than: 

    • 34" (850 mm) AFF
    • 27" (675 mm) AFF
    • 36" (900 mm) AFF
    • 33" (825 mm) AFF
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About This Quiz

Questions on the Millwork drawing.

Material Quizzes & Trivia

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  • 2. 

    What is the maximum height of an accessible (barrier free) counter?

    • 34" (865 mm)

    • 30" (760 mm)

    • 27" (685 mm)

    • 36" (912 mm)

    Correct Answer
    A. 34" (865 mm)
  • 3. 

    What is the maximum height of an accessible (barrier free) sink?

    • 34" (865 mm)

    • 27" (685 mm)

    • 36" (900 mm)

    • 30" (750 mm)

    Correct Answer
    A. 34" (865 mm)
    Explanation
    5.2 ALL accessible (barrier-free) countertops, sinks, reception/transaction surfaces, and other horizontal work surfaces MUST NOT exceed 34" (865 mm) AFF with a 27"H (685 mm) clear knee space below.

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  • 4. 

    Your drawing solution includes a kitchen with an island and a second prep sink. Which electrical outlets must be GFI?

    • All within 36" (900 mm) of the prep sink and any other water sources

    • All those within 24" (600 mm) of the prep sink and any other water sources

    • All within 48" (1200 mm) of the prep sink and any other water sources

    • All within 60" (1500 mm) of the prep sink and any other water sources

    Correct Answer
    A. All within 36" (900 mm) of the prep sink and any other water sources
    Explanation
    7.2 ALL electrical receptacles located within 36" (900 mm) of a water source MUST be GFI.

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  • 5. 

    Which of the following is true about accessible plumbing:

    • All exposed hot water pipes and drains MUST be insulated or otherwise protect wheelchair users from burns on legs

    • Exposed pipes should not protrude more than 8" (200 mm) from the back wall

    • To avoid the possibity of leg burns, drains must be placed in the floor and not in the wall

    • All of these

    Correct Answer
    A. All exposed hot water pipes and drains MUST be insulated or otherwise protect wheelchair users from burns on legs
    Explanation
    5.4 ALL exposed hot water pipes and drains MUST be insulated or otherwise protect wheelchair users from burns on the legs.

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  • 6. 

    The minimum clear knee space at an accessible (barrier free) counter is:

    • 30" W x 17" D (760 mm x 430 mm)

    • 30" W x 20" D (760 mm x 508 mm)

    • 24" W x 20" D (610 mm x 508 mm)

    • 24" W x 17" D (610 mm x 430 mm)

    Correct Answer
    A. 30" W x 17" D (760 mm x 430 mm)
    Explanation
    5.3 ALL accessible (barrier-free) counters MUST have clear knee space of at least 30" W x 17" D (760 mm x 430 mm).

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  • 7. 

    Upper shelves located above an accessible (barrier free) work surface must not exceed:

    • 44" (1100 mm) H

    • 48" (1200 mm) H

    • 48" (1200 mm) H

    • 48" (1200 mm) H

    Correct Answer
    A. 44" (1100 mm) H
    Explanation
    ALL accessible (barrier-free) upper cabinets or shelves located above a work surface MUST NOT exceed 44" (1100 mm) AFF.

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  • 8. 

    All accessible (barrier free) lower cabinets must have a toe kick that measures:

    • 6" D maximum x 9" H minimum (150 mm x 230 mm)

    • 4" D minimum x 8" H minimum (100 mm x 200 mm)

    • 6" D minimum x 8" H minimum (150 mm x 200 mm)

    • 6" D minimum x 10" H minimum (150 mm x 250 mm)

    Correct Answer
    A. 6" D maximum x 9" H minimum (150 mm x 230 mm)
    Explanation
    5.6 ALL accessible (barrier-free) lower cabinets MUST have a 6" D maximum x 9" H minimum (150 mm x 230 mm) toe-kick.

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  • 9. 

    What is the correct height of a standard wall outlet?

    • 18" (450 mm)

    • 15" (375 mm)

    • 12" (300 mm)

    • 9" (225 mm)

    Correct Answer
    A. 18" (450 mm)
    Explanation
    7.1 ALL electrical receptacles MUST be 18" (450 mm) AFF unless otherwise noted.

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  • 10. 

    All electrical receptacles within how many inches (mm) of a water source must be a GFI?

    • 36" (900 mm)

    • 24" (600 mm)

    • 48" (1200 mm)

    • 60" (1500 mm)

    Correct Answer
    A. 36" (900 mm)
    Explanation
    7.2 ALL electrical receptacles located within 36" (900 mm) of a water source MUST be GFI.

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  • 11. 

    What is the minimum height of an accessible (barrier free) base cabinet toe kick?

    • 9" (230 mm) H

    • 6" (150 mm) H

    • 8" (200 mm) H

    • 10" (250 mm) H

    Correct Answer
    A. 9" (230 mm) H
    Explanation
    5.6 ALL accessible (barrier-free) lower cabinets MUST have a 6” D maximum x 9” H minimum (150 mm x 230 mm) toe-kick.

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  • 12. 

    Accessible (barrier free) mirrors must be mounted with the edge of the reflective surface no higher than how many inches/millimeters AFF:

    • 40" (1000 mm)

    • 44" (1100 mm)

    • 42" (1050 mm)

    • 38" (950 mm)

    Correct Answer
    A. 40" (1000 mm)
    Explanation
    5.8.10 Accessible mirrors MUST be mounted with the edge of the reflective surface no higher than 40" (1000 mm) AFF.

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  • 13. 

    What is the minimum clear floor space required for side ­transfer for an accessible (barrier free) shower?

    • 30" x 48" (750 mm x 1200 mm)

    • 48" x 60" (1200 mm x 1500 mm)

    • 30"x 60" (750 mm x 1500 mm)

    • 36' x 48" (900 mm x 1200 mm)

    Correct Answer
    A. 30" x 48" (750 mm x 1200 mm)
    Explanation
    5.8.9 A clear floor space of 30" (760 mm) x 48" (1200 mm) MUST be provided in front of accessible lavatories, urinals, showers, and bathtubs.

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  • 14. 

    In an accessible shower, on how many sides of the stall are grab bars required?

    • 3

    • 2 if the shower has a seat

    • A minimum of 1 along the longest wall

    • 4

    Correct Answer
    A. 3
    Explanation
    5.8.6 ALL accessible showers MUST have horizontal grab bars on three (3) sides mounted at a height between 33" (840 mm) and 36" (900 mm) AFF.

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  • 15. 

    All accessible (barrier free) wall mounted controls must be located how many inches/mm AFF for a SIDE reach: 

    • 9" (230 mm) - 48" (1200 mm)

    • 15" ( 380 mm) - 44" (1100 mm)

    • 15" (380 mm) - 48" (1200 mm)

    • 9" (230 mm) - 44" (1100 mm)

    Correct Answer
    A. 9" (230 mm) - 48" (1200 mm)
    Explanation
    5.5 ALL accessible (barrier-free) wall-mounted controls MUST be located between 15" (380 mm) and 44" (1100 mm) AFF for a Forward Reach and between 9" (230 mm) and 48" (1200 mm) AFF for a Side Reach.

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  • 16. 

    Fire extinguishers must be no more than how many feet/meters from the furthest occupant?

    • 75' (23 m)

    • 100' (30.5 m)

    • 125' (38 m)

    • 200' (61 m)

    Correct Answer
    A. 75' (23 m)
    Explanation
    3.4 Fire extinguishers MUST be located no more than 75' (23 m) from the furthest occupant

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  • 17. 

    How many fire extinguishers are required in an office suite that measures 6100 sq ft (566 m2)?

    • 3

    • 6

    • 2

    • 4

    Correct Answer
    A. 3
    Explanation
    3.3 The minimum number of fire extinguishers MUST be calculated based on one (1) fire extinguisher per 3000 sq. ft. (280 m2).

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  • 18. 

    What type of hardware must all fire­ rated door assemblies use?

    • Closer

    • Lever lockset

    • Code lock

    • Panic bar

    Correct Answer
    A. Closer
    Explanation
    2.4 Door assemblies in a 1-hour fire rated partition MUST have a minimum fire protection rating of 20 minutes and be self-closing.

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  • 19. 

    Storage rooms that exceed this many sq ft/m2 must be one hour fire ­rated:

    • 100 sq ft (9.3 m2)

    • 125 sq ft (11.6 m2)

    • 150 sq ft (13.9 m2)

    • 75 sq ft (7 m2)

    Correct Answer
    A. 100 sq ft (9.3 m2)
    Explanation
    2.5 Storage rooms exceeding 100 sq. ft. (9.3 m2) MUST be 1-hour rated.

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  • 20. 

    Partitions that demise an Assembly Occupancy of how many sq ft or m2 must be 1 hour rated:

    • 750 sq ft or (70 m2)

    • 500 sq ft or (46.5m2)

    • 700 sq ft or (65 m2)

    • 250 sq ft or (23.3 m2)

    Correct Answer
    A. 750 sq ft or (70 m2)
    Explanation
    2.3 Partitions that demise an Assembly Occupancy of 750 sq. ft. (70 m2) or greater MUST be 1-hour fire rated.

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  • 21. 

    Glazing in fire rated partitions, doors or sidelights may not exceed how many sq in/cm2:

    • 240 sq in (1548 cm2)

    • 150 sq in (968 cm2)

    • 225 sq in (1451 cm2)

    • 100 sq in ( 610 cm2)

    Correct Answer
    A. 240 sq in (1548 cm2)
    Explanation
    2.6 Glazing in fire rated partitions, doors or sidelights may not exceed 240 sq. in. (1548 cm2).

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  • 22. 

    What is the minimum width of an interior corridor?

    • 44" (1100 mm)

    • 44" (1100 mm)

    • 54" (1350 mm)

    • 60" (1500 mm)

    Correct Answer
    A. 44" (1100 mm)
    Explanation
    4.6.1 The MINIMUM interior corridor width MUST be 44" (1100 mm).

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  • 23. 

    Two exits are required for Occupancy groups A (assembly), B (business), and M (mercantile) when the occupancy load exceeds:

    • 49

    • 50

    • 74

    • 75

    Correct Answer
    A. 49
    Explanation
    4.5.8 Two (2) exit access doorways MUST be provided from any space where the Occupancy Load exceeds 49 in Occupancy Groups A (Assembly), B (Business) and M (Mercantile) or exceeds 29 in Occupancy Group S (Storage).

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  • 24. 

    Dead end corridors must not exceed:

    • 20' (6 m)

    • 27' (8.2 m)

    • 22' (6.7 m)

    • 22' (6.7 m)

    Correct Answer
    A. 20' (6 m)
    Explanation
    4.6.2 Dead end corridors MUST NOT exceed 20' - 0" (6 m) in length.

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  • 25. 

    An object located in the egress path of travel that projects more than 4"D (100 mm) must be mounted:

    • Below 27" (685 mm) or above 80" (2115 mm) AFF

    • Between 27" (685 mm) and 80" (2115 mm) AFF

    • Between 30" (750 mm) and 80" (2115 mm) AFF

    • At least 80" (2115 mm) AFF

    Correct Answer
    A. Below 27" (685 mm) or above 80" (2115 mm) AFF
    Explanation
    4.1.4 ALL objects located on a wall between 27" (685 mm) and 80" (2115 mm) AFF MUST NOT protrude more than 4" (100 mm) into an egress path of travel.

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  • 26. 

    The common path of egress travel distance can not exceed:

    • 100' (30.5 m)

    • 75' (23 m)

    • 200' (61 m)

    • 150' (46 m)

    Correct Answer
    A. 100' (30.5 m)
    Explanation
    4.4.3 The common path of egress travel distance MUST NOT exceed 100'-0" (30.5 m).

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  • 27. 

    In the hallway of a commercial space, the bottom edge of a pendant light must be at least how high above the finished floor?

    • 80" (2115 mm) AFF

    • 90" (2300 mm) AFF

    • 72" (1828 mm) AFF

    • 94" (2485 mm) AFF

    Correct Answer
    A. 80" (2115 mm) AFF
    Explanation
    4.1.2 Protruding objects are permitted to extend below the minimum ceiling height provided a minimum headroom of 6'-8" (2 m) shall be provided along the path of egress, including any corridor, aisle or passageway.

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  • 28. 

    What would be the best type of light source for a jewelry display case?

    • MR-16

    • Incandescent

    • HID

    • Fluorescent

    Correct Answer
    A. MR-16
    Explanation
    MR-16 lamps are the smallest of the choices given and could fit within the small area of a display case. In addition they are tungsten-halogen lamps, which give good color rendition and sparkle to jewelry.

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  • 29. 

    Which of the following light fixtures would not be appropriate to use in a residential space?

    • HID down light

    • Incandescent track system

    • Halogen track system

    • Fluorescent troffer

    Correct Answer
    A. HID down light
    Explanation
    The HID lamp warm-up process can take three to seven minutes, depending on ambient temperature conditions, so this not appropriate for residential use where someone would want the light to come on instantly.

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  • 30. 

    In a commercial space, an object (wall sconce, sign, etc.)  that is mounted at 65" AFF must be no deeper than:

    • 4" (100 mm)

    • 5" (127 mm)

    • 3 1/2" (89 mm)

    • 3" (75 mm)

    Correct Answer
    A. 4" (100 mm)
    Explanation
    4.1.4 ALL objects located on a wall between 27" (685 mm) and 80" (2115 mm) AFF MUST NOT protrude more than 4" (100 mm) into an egress path of travel.

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  • 31. 

    Which type of light can be switched together?

    • None of these can be switched together

    • LED and halogen

    • LED and fluorescent

    • LED and MR16

    Correct Answer
    A. None of these can be switched together
    Explanation
    Incandescent lights should generally be on a circuit separate from fluorescent lights. In commercial installations this is often mandatory because incandescent lights are on 120 V circuits and fluorescent lights are connected to 227V circuits.

    On the Practicum, the program guide provides specific instructions for how lighting should be switched and typically requires the candidate to switch each type of light separately.

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  • 32. 

    Which switching symbol indicates that a light can be controlled from two different areas or two different switches?

    • $3

    • $DSS

    • $2

    • $2OS

    Correct Answer
    A. $3
    Explanation
    $3 is the symbol for a 3-way switch, which means it is controlled from 2 (two) locations - NOT 3 (it has 3 terminals inside the switch).

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  • 33. 

    Which of the following typically must be located directly on a plumbing trench?

    • All of these

    • Shower drain

    • Mop sink drain

    • A toilet

    Correct Answer
    A. All of these
    Explanation
    Refer to your program instructions for exactly what should be located on the plumbing trench, and the length of any extensions, if allowed.

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  • 34. 

    How much space must be provided in front of power panels?

    • 36" (900 mm) minimum

    • 30" (750 mm) minimum

    • 48" (1200 mm) minimum

    • 60" (1500 mm) minimum

    Correct Answer
    A. 36" (900 mm) minimum
    Explanation
    7.3 Clearance of 36" (900 mm) deep MUST be provided in front of power panels.

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  • 35. 

    Which of the following requires flexible ducting that is connect to main ductwork:

    • Supply air register

    • Air handling unit

    • Sprinkler branch line

    • Return air grill

    Correct Answer
    A. Supply air register
    Explanation
    Supply air registers are often connected to the main ductwork with flexible ducting. This allows some adjustability in the exact location of an air register if its location conflicts with some other ceiling mounted item. The mechanical engineer should be consulted to determine how much the registers can be moved.

    On the Practicum - refer to your program instructions.

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  • 36. 

    An air handler access panel should measure a minimum of:

    • 2' x 2' (600 mm x 600 mm)

    • 2' x 2' (600 mm x 600 mm)

    • 3' x 3' (900 mm x 900 mm)

    • 2' x 4' (600 mm x 1200 mm)

    Correct Answer
    A. 2' x 2' (600 mm x 600 mm)
    Explanation
    Building code requires that access panels be provided to certain components of the mechanical and electrical systems for anything that has to be inspected, adjusted or repaired. Access doors are typically small steel doors with frames that are opened by using a thumb turn or a key.

    Per the NCIDQ instructions in a typical systems drawing, the candidate is to place a minimum 2' x 2' (600 mm x 600 mm) access panel for the air handling unit where required. Always refer to your program instructions.

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  • 37. 

    A wall sconce that is mounted 60" AFF should not measure more than:

    • 4" D (100 mm)

    • 5" D (125 mm)

    • 3" D (75 mm)

    • 3 1/2" D (88 mm)

    Correct Answer
    A. 4" D (100 mm)
    Explanation
    4.1.4 ALL objects located on a wall between 27" (685 mm) and 80" (2115 mm) AFF MUST NOT protrude more than 4" (100 mm) into an egress path of travel.

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  • 38. 

    A $OSS switch indicates what?

    • Occupancy sensor/switch combination

    • Remote controlled switch

    • One single switch

    • Daylight sensor

    Correct Answer
    A. Occupancy sensor/switch combination
    Explanation
    Refer to your drawing legend, as symbols used may vary from what you are accustomed to, and could possibly vary from test to test. This is the symbol provided on a typical NCIDQ drawing that indicates occupancy sensor/switch combination.

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  • 39. 

    Accessible (barrier free) urinals must have an elongated rim and sit a maximum of how many inches/mm to the top of the rim?

    • 17" (430 mm) AFF

    • 16" (406 mm) AFF

    • 15" (380 mm) AFF

    • 24" (608 mm) AFF

    Correct Answer
    A. 17" (430 mm) AFF
    Explanation
    5.8.8 Accessible urinals MUST have an elongated rim at a maximum height of 17" (430 mm) AFF.

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  • 40. 

    The centerline of accessible (barrier free) toilets must be how far from the side wall or partition?

    • 16" (400 mm) - 18" (450 mm)

    • 15" (380 mm) - 19" (480 mm)

    • 18" (450 mm)

    • 16" (400 mm) - 20" (500 mm)

    Correct Answer
    A. 16" (400 mm) - 18" (450 mm)
    Explanation
    5.8.2 Centerline of accessible toilets MUST be 16" - 18" (400 mm - 450 mm) from side wall or partition.

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  • 41. 

    How high should an accessible (barrier free) toilet be mounted?

    • 17" (430 mm ) - 19" (480 mm) AFF

    • 16" (400 mm) - 18" (450 mm) AFF

    • 15" (380 mm) - 18" (450 mm) AFF

    • 18" (450 mm) AFF

    Correct Answer
    A. 17" (430 mm ) - 19" (480 mm) AFF
    Explanation
    5.8.4 Accessible toilets MUST be mounted at 17"-19" (430 mm – 480 mm) AFF to the top of the toilet seat.

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  • 42. 

    Clearance around an accessible (barrier free) toilet must be at least:

    • 60" (1500 mm) along the rear wall and 56" (1420 mm) along the side wall

    • 60" (1500 mm) turning radius/circle

    • 48" W (1200 mm) along back wall x 56" (1420 mm) along side wall

    • 30" W (750 mm) along back wall x 48" (1200 mm) along side wall

    Correct Answer
    A. 60" (1500 mm) along the rear wall and 56" (1420 mm) along the side wall
    Explanation
    5.8.3 Clearance around accessible toilets MUST be 60" (1500 mm) along the rear wall and 56" (1420 mm) along the side wall.

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  • 43. 

    Grab bars at an accessible (barrier free) toilet must be mounted at:

    • 33" (840 mm) - 36" (900 mm) AFF

    • 30" (760 mm) - 36" (900 mm) AFF

    • 36" (900 mm) - 42" (1060 mm) AFF

    • 34" (850 mm) - 42" (1060 mm) AFF

    Correct Answer
    A. 33" (840 mm) - 36" (900 mm) AFF
    Explanation
    5.8.5 ALL grab bars at toilets MUST be 36" (900 mm) long at the rear and 42" (1060 mm) long at the side, mounted between 33" (840 mm) and 36" (900 mm) AFF.

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  • 44. 

    What is the size of grab bars at the side of an accessible (barrier free) toilet?

    • 42" (1060 mm) long

    • 36" (900 mm) long

    • 48" (1200 mm) long

    • 24" (600 mm) long

    Correct Answer
    A. 42" (1060 mm) long
    Explanation
    5.8.5 ALL grab bars at toilets MUST be 36" (900 mm) long at the rear and 42" (1060 mm) long at the side, mounted between 33" (840 mm) and 36" (900 mm) AFF.

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  • 45. 

    Linear fixtures in an open office with a standard ceiling height are most appropriately mounted at: 

    • 84" AFF

    • 72" AFF

    • 130" AFF

    • 60" AFF

    Correct Answer
    A. 84" AFF
    Explanation
    For a suspended fixture to provide indirect light, it must be mounted low enough below the ceiling to allow for the light to reflect back off the ceiling surface, but not too low that is does not comply with code.

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  • 46. 

    A thermostat can be mounted:

    • On a corridor wall providing there is adequate clear space

    • On or near glazing

    • On a mullion

    • At 60" AFF for accessibility

    Correct Answer
    A. On a corridor wall providing there is adequate clear space
    Explanation
    A thermostat should not be mounted on or near glazing, exterior walls or heat sources so that it registers temperature correctly. Standard mounting height is 48"AFF.

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Quiz Review Timeline (Updated): Mar 3, 2016 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 03, 2016
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 28, 2014
    Quiz Created by
    Catherine Halcomb
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