E1 RESIDENTIAL ELECTRICAL INSPECTOR EXAMS SET
2025/2026 QUESTIONS WITH ANSWERS TAGGED A+
✔✔Adhered masonry veneer installed on exterior stud walls shall have a minimum
clearance of ___ inches above the earth and a minimum clearance of ___ inches above
paved areas. - ✔✔4 , 2
✔✔When gypsum board is used as a draftstopping material, it shall have a thickness of
no less than ___ inch. - ✔✔1/2
✔✔When wood columns are exposed to the weather while being supported by concrete
piers, they shall be of pressure-preservative-treated wood or otherwise must project a
minimum of ____ inches above the earth where covered by a moisture barrier. - ✔✔6
✔✔Except where frost would occur, a minimum embedment of ____ inches into the
ground for exterior footings is required. - ✔✔12
✔✔Anchor bolts which anchor wood sill plates to concrete foundations shall have a
minimum diameter of ____ inches spaced a maximum ___ feet on center and extend a
minimum of ___ inches into concrete. - ✔✔1/2", 6', 7"
✔✔In areas with severe soil-water conditions, exterior concrete or masonry foundation
walls shall be waterproofed with a minimum membrane thickness of ____ if the material
used to waterproof is flexible polymer cement. - ✔✔60 mil
✔✔A stepped footing shall occur when the bottom surface of the footing exceeds a
slope of _____. - ✔✔10-percent
✔✔The end of a wood girder resting on a concrete wall shall maintain a clearance on
the top, side and ends of not less than ____ inch or otherwise must be of naturally
durable wood or pressure-preservative-treated wood. - ✔✔?
✔✔A plain masonry foundation wall 6 feet in height subject to a maximum unbalanced
backfill height of 5 feet shall have a minimum required nominal wall thickness of ____
inches when the soils classification for the site is GM. - ✔✔8
✔✔Parapet walls constructed of unreinforced hollow masonry units shall be not less
than ___ inches thick and their height shall not exceed _____ times their thickness. -
✔✔8 , three
✔✔5/8" Type X gypsum board applied to garage ceilings beneath habitable rooms
without adhesive shall be fastened with nails spaced a maximum of ____ inches. - ✔✔6
, ✔✔What is the maximum allowable span of 3/4 inch thick wood structural panels used
as subfloor sheathing if the span rating of the panels is 48/24? - ✔✔24 inches
✔✔Notches made in solid lumber floor joists shall not exceed ____ of the depth of the
member and shall not be longer than ____ of the depth of the member. - ✔✔1/6 , 1/3
✔✔A slab-on-ground concrete floor shall have a minimum thickness of _____ inches. -
✔✔31⁄2
✔✔Sand, silty sand, clayey sand, silty gravel or clayey gravel shall have an assumed
presumptive load-bearing value of ________. - ✔✔2,000 psf
✔✔Under-floor access openings provided to under-floor spaces shall be a minimum ___
inches by ___ inches when opening is through a perimeter wall. - ✔✔16 , 24
✔✔What is the maximum allowable span of a 2 x 8 Hem- fir #2 floor joist spaced 12
inches on center supporting a sleeping room and a dead load of 10 psf? - ✔✔14 feet, 6
inches
✔✔The ends of floor joists bearing on wood or metal shall not have less than ___
inches bearing. - ✔✔11⁄2
✔✔Glazing located within _____ inches of either side of a door opening shall be
considered as a hazardous location where the bottom exposed edge of the glazing is
less than ___ inches above the floor. - ✔✔24, 60
✔✔Where roof ventilation is required and provided through eave vents for enclosed
attics or enclosed rafter spaces, a minimum clearance of not less than ___ inch shall be
provided between the insulation and the roof sheathing. - ✔✔1
✔✔A one-story detached accessory structure does not require a permit to construct if
the maximum floor area does not exceed ____ square feet. - ✔✔120
✔✔Once a set of construction documents have been approved, they shall be retained
by the building official for not less than ___ days from the completed date for the
project. - ✔✔180
✔✔correct or incorrect. A roof recover over an existing roof shall NOT be permitted
where the existing roof has one or more roof coverings already applied. - ✔✔incorrect
✔✔Combustible materials shall have a clearance of not less than ___ inches from the
back faces of masonry fireplaces. - ✔✔4
2025/2026 QUESTIONS WITH ANSWERS TAGGED A+
✔✔Adhered masonry veneer installed on exterior stud walls shall have a minimum
clearance of ___ inches above the earth and a minimum clearance of ___ inches above
paved areas. - ✔✔4 , 2
✔✔When gypsum board is used as a draftstopping material, it shall have a thickness of
no less than ___ inch. - ✔✔1/2
✔✔When wood columns are exposed to the weather while being supported by concrete
piers, they shall be of pressure-preservative-treated wood or otherwise must project a
minimum of ____ inches above the earth where covered by a moisture barrier. - ✔✔6
✔✔Except where frost would occur, a minimum embedment of ____ inches into the
ground for exterior footings is required. - ✔✔12
✔✔Anchor bolts which anchor wood sill plates to concrete foundations shall have a
minimum diameter of ____ inches spaced a maximum ___ feet on center and extend a
minimum of ___ inches into concrete. - ✔✔1/2", 6', 7"
✔✔In areas with severe soil-water conditions, exterior concrete or masonry foundation
walls shall be waterproofed with a minimum membrane thickness of ____ if the material
used to waterproof is flexible polymer cement. - ✔✔60 mil
✔✔A stepped footing shall occur when the bottom surface of the footing exceeds a
slope of _____. - ✔✔10-percent
✔✔The end of a wood girder resting on a concrete wall shall maintain a clearance on
the top, side and ends of not less than ____ inch or otherwise must be of naturally
durable wood or pressure-preservative-treated wood. - ✔✔?
✔✔A plain masonry foundation wall 6 feet in height subject to a maximum unbalanced
backfill height of 5 feet shall have a minimum required nominal wall thickness of ____
inches when the soils classification for the site is GM. - ✔✔8
✔✔Parapet walls constructed of unreinforced hollow masonry units shall be not less
than ___ inches thick and their height shall not exceed _____ times their thickness. -
✔✔8 , three
✔✔5/8" Type X gypsum board applied to garage ceilings beneath habitable rooms
without adhesive shall be fastened with nails spaced a maximum of ____ inches. - ✔✔6
, ✔✔What is the maximum allowable span of 3/4 inch thick wood structural panels used
as subfloor sheathing if the span rating of the panels is 48/24? - ✔✔24 inches
✔✔Notches made in solid lumber floor joists shall not exceed ____ of the depth of the
member and shall not be longer than ____ of the depth of the member. - ✔✔1/6 , 1/3
✔✔A slab-on-ground concrete floor shall have a minimum thickness of _____ inches. -
✔✔31⁄2
✔✔Sand, silty sand, clayey sand, silty gravel or clayey gravel shall have an assumed
presumptive load-bearing value of ________. - ✔✔2,000 psf
✔✔Under-floor access openings provided to under-floor spaces shall be a minimum ___
inches by ___ inches when opening is through a perimeter wall. - ✔✔16 , 24
✔✔What is the maximum allowable span of a 2 x 8 Hem- fir #2 floor joist spaced 12
inches on center supporting a sleeping room and a dead load of 10 psf? - ✔✔14 feet, 6
inches
✔✔The ends of floor joists bearing on wood or metal shall not have less than ___
inches bearing. - ✔✔11⁄2
✔✔Glazing located within _____ inches of either side of a door opening shall be
considered as a hazardous location where the bottom exposed edge of the glazing is
less than ___ inches above the floor. - ✔✔24, 60
✔✔Where roof ventilation is required and provided through eave vents for enclosed
attics or enclosed rafter spaces, a minimum clearance of not less than ___ inch shall be
provided between the insulation and the roof sheathing. - ✔✔1
✔✔A one-story detached accessory structure does not require a permit to construct if
the maximum floor area does not exceed ____ square feet. - ✔✔120
✔✔Once a set of construction documents have been approved, they shall be retained
by the building official for not less than ___ days from the completed date for the
project. - ✔✔180
✔✔correct or incorrect. A roof recover over an existing roof shall NOT be permitted
where the existing roof has one or more roof coverings already applied. - ✔✔incorrect
✔✔Combustible materials shall have a clearance of not less than ___ inches from the
back faces of masonry fireplaces. - ✔✔4
