UPDATE!!!!2025/2026|GUARANTEED PASS|GRADED
Permanently installed appliances shall not be above or restrict access to _____.
Circulation Pump
Overflow Outlet
Food-Waste Trap
Floor Drain - ANSWER Correct Answer: Floor Drain
2021 South Carolina Residential Code - P2719.1 - Floor drains - Floor drains shall not be
located under or have their access restricted by permanently installed appliances.
What is the minimum nominal dimension for air space between a sheet metal veneer and
the wall sheathing?
3/4"
1"
1/4"
1/2" - ANSWER Correct Answer: 1"
2021 South Carolina Residential Code - Table R703.8.4(1)- Tie Attachment and Airspace
Requirements - Under the column 'Backing and Tie' find 'Wood stud backing with corrugated
sheet metal'. Follow it to the 'Airspace' column = Nominal 1 in. between sheathing and
veneer.
The minimum width and depth for concrete and masonry footings for a 3 story plus
basement 8-inch solid or fully grouted masonry construction dwelling where the soil load
bearing value is 1500 psf is inches. The snow load or live roof load is 30 psf.
1
,25 x 8
30 x 10
31 x 12
14 x 6 - ANSWER Correct Answer: 31 x 12
2021 South Carolina Residential Code - TABLE R403.1(3) MINIMUM WIDTH AND THICKNESS
FOR CONCRETE FOOTINGS WITH CAST-IN-PLACE CONCRETE OR PARTIALLY GROUTED
MASONRY WALL CONSTRUCTION (inches)
Branch circuits for luminaires or receptacles for cord and plug loads of up to 1400-volt
amperes or less than ¼ hp are limited to a maximum rating of ____ between conductors.
110 volts
120 volts
240 volts
320 volts - ANSWER Correct Answer: 120 volts
2021 South Carolina Residential Code - E3702.1 - Branch-circuit voltage limitations - The
voltage ratings of branch circuits that supply luminaires or receptacles for cord-and-plug-
connected loads of up to 1,400 voltamperes or of less than 1/4 horsepower (0.186 kW) shall
be limited to a maximum rating of 120 volts, nominal, between conductors.
What is the sole purpose for installing welded wire mesh in a concrete slab?
To prevent adjacent slabs from separating
To prevent cracks
To improve tensile strength
To provide load transfer across a joint - ANSWER Correct Answer: To prevent cracks
Contractors Guide to Quality Concrete Construction, 4th Edition - Page 126 - Reinforcement
in a Slab - The welded wire reinforcement is then used to prevent the cracks that will occur
between the joints from opening.
2
,For required braced wall lines, if they have a length of 16 feet or less they must have a
minimum of two braced wall panels of any length or one braced wall panel equal to or more.
16 inches
26 inches
48 inches
34 inches - ANSWER Correct Answer: 48 inches
2021 South Carolina Residential Code - R602.10.2.3 Minimum number of braced wall panels.
Which mortar is used primarily for interior walls?
Type M
Type N
Type O
Type S - ANSWER Correct Answer: Type O
Carpentry and Building Construction - Page 279 - Mortar - Mortar Mixtures - Type O is a low-
compressive-strength mortar used primarily for interior walls.
All receptacles shall be located on the same level and within ____ of all heating, air-
conditioning and refrigeration equipment.
25'
40'
20'
35' - ANSWER Correct Answer: 25'
2021 South Carolina Residential Code - E3901.12 - HVAC outlet - A 125-volt, single-phase,
15- or 20- ampere-rated receptacle outlet shall be installed at an accessible location for the
servicing of heating, air-conditioning and refrigeration equipment. The receptacle shall be
3
, located on the same level and within 25 feet of the heating, air-conditioning and
refrigeration equipment.
What is required to support brick veneer above openings in exterior walls?
Lintel
Cladding
Girders
Pilaster - ANSWER Correct Answer: Lintel
2021 South Carolina Residential Code - R703.8.3 - Lintels - Masonry veneer shall not support
any vertical load other than the dead load of the veneer above. Veneer above openings shall
be supported on lintels of noncombustible materials.
What is the minimum sheet metal gauge that can be used for ducts in a garage and ducts
penetrating the walls or ceilings separating a dwelling from the garage?
20
30
24
26 - ANSWER Correct Answer: 26
2021 South Carolina Residential Code - R302.5.2 Duct penetration.
How far from the mason line should the face of the block wall stay to prevent moving the
mason's line?
5/8"
1/4"
2"
1/16" - ANSWER Correct Answer: 1/16"
4
Permanently installed appliances shall not be above or restrict access to _____.
Circulation Pump
Overflow Outlet
Food-Waste Trap
Floor Drain - ANSWER Correct Answer: Floor Drain
2021 South Carolina Residential Code - P2719.1 - Floor drains - Floor drains shall not be
located under or have their access restricted by permanently installed appliances.
What is the minimum nominal dimension for air space between a sheet metal veneer and
the wall sheathing?
3/4"
1"
1/4"
1/2" - ANSWER Correct Answer: 1"
2021 South Carolina Residential Code - Table R703.8.4(1)- Tie Attachment and Airspace
Requirements - Under the column 'Backing and Tie' find 'Wood stud backing with corrugated
sheet metal'. Follow it to the 'Airspace' column = Nominal 1 in. between sheathing and
veneer.
The minimum width and depth for concrete and masonry footings for a 3 story plus
basement 8-inch solid or fully grouted masonry construction dwelling where the soil load
bearing value is 1500 psf is inches. The snow load or live roof load is 30 psf.
1
,25 x 8
30 x 10
31 x 12
14 x 6 - ANSWER Correct Answer: 31 x 12
2021 South Carolina Residential Code - TABLE R403.1(3) MINIMUM WIDTH AND THICKNESS
FOR CONCRETE FOOTINGS WITH CAST-IN-PLACE CONCRETE OR PARTIALLY GROUTED
MASONRY WALL CONSTRUCTION (inches)
Branch circuits for luminaires or receptacles for cord and plug loads of up to 1400-volt
amperes or less than ¼ hp are limited to a maximum rating of ____ between conductors.
110 volts
120 volts
240 volts
320 volts - ANSWER Correct Answer: 120 volts
2021 South Carolina Residential Code - E3702.1 - Branch-circuit voltage limitations - The
voltage ratings of branch circuits that supply luminaires or receptacles for cord-and-plug-
connected loads of up to 1,400 voltamperes or of less than 1/4 horsepower (0.186 kW) shall
be limited to a maximum rating of 120 volts, nominal, between conductors.
What is the sole purpose for installing welded wire mesh in a concrete slab?
To prevent adjacent slabs from separating
To prevent cracks
To improve tensile strength
To provide load transfer across a joint - ANSWER Correct Answer: To prevent cracks
Contractors Guide to Quality Concrete Construction, 4th Edition - Page 126 - Reinforcement
in a Slab - The welded wire reinforcement is then used to prevent the cracks that will occur
between the joints from opening.
2
,For required braced wall lines, if they have a length of 16 feet or less they must have a
minimum of two braced wall panels of any length or one braced wall panel equal to or more.
16 inches
26 inches
48 inches
34 inches - ANSWER Correct Answer: 48 inches
2021 South Carolina Residential Code - R602.10.2.3 Minimum number of braced wall panels.
Which mortar is used primarily for interior walls?
Type M
Type N
Type O
Type S - ANSWER Correct Answer: Type O
Carpentry and Building Construction - Page 279 - Mortar - Mortar Mixtures - Type O is a low-
compressive-strength mortar used primarily for interior walls.
All receptacles shall be located on the same level and within ____ of all heating, air-
conditioning and refrigeration equipment.
25'
40'
20'
35' - ANSWER Correct Answer: 25'
2021 South Carolina Residential Code - E3901.12 - HVAC outlet - A 125-volt, single-phase,
15- or 20- ampere-rated receptacle outlet shall be installed at an accessible location for the
servicing of heating, air-conditioning and refrigeration equipment. The receptacle shall be
3
, located on the same level and within 25 feet of the heating, air-conditioning and
refrigeration equipment.
What is required to support brick veneer above openings in exterior walls?
Lintel
Cladding
Girders
Pilaster - ANSWER Correct Answer: Lintel
2021 South Carolina Residential Code - R703.8.3 - Lintels - Masonry veneer shall not support
any vertical load other than the dead load of the veneer above. Veneer above openings shall
be supported on lintels of noncombustible materials.
What is the minimum sheet metal gauge that can be used for ducts in a garage and ducts
penetrating the walls or ceilings separating a dwelling from the garage?
20
30
24
26 - ANSWER Correct Answer: 26
2021 South Carolina Residential Code - R302.5.2 Duct penetration.
How far from the mason line should the face of the block wall stay to prevent moving the
mason's line?
5/8"
1/4"
2"
1/16" - ANSWER Correct Answer: 1/16"
4
