1|Page
BC OWNER BUILDER EXAM| COMPREHENSIVE
Q&A FOR CERTIFICATION SUCCESS 2026
What is the regulation for insulation between the main home and garage? -
correct-answer - The house must have insulation and vapour barrier as though
the garage were exterior space. Air barrier and insulation is required for any wall
or ceiling that is between the garage and living space.
When should you call for electrical inspections? - correct-answer - Before wiring is
concealed or connected to a supply.
What must you do if you fail and electrical inspection? - correct-answer - Fix the
problem and call for re-inspection.
When do you need a chimney saddle? - correct-answer - When the upper side
width of the chimney is 750mm or more.
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What must you do before starting to build? - correct-answer - Notify WorkSafe BC
at least 24 hours in advance
How high must a ladder protrude above a 4' trench? - correct-answer - 3'
Why keep a worksite free of debris? - correct-answer - To protect inspectors and
provide a safe and efficient work space
What shows hidden objects in blueprints? - correct-answer - Dashed lines
What square is best to use to transfer and 35 degree slope from plans to work? -
correct-answer - A sliding T-bevel
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How much support is needed for floor joists into footing? - correct-answer - 1.5"
min for floor joists. For beams 3.5"
Why must concrete cure? - correct-answer - To reach peak strength
What is one method that can be used to prevent new concrete from freezing in
cold weather? - correct-answer - Insulated tarps
When should you order and inspection for an external sewer line? - correct-
answer - When the pipe in on 6" of sand and before backfill
When should insulation be inspected? - correct-answer - After insulation is
installed but before covering
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When can you put up exterior house wrap? - correct-answer - After framing
inspection but before insulating
What must a gas fitter do when a gas system installation has been completed? -
correct-answer - Affix a tag with their name, certificate number, type of appliance
and date
How far away must an electrical meter be from a gas meter? - correct-answer -
1m
When locking out of a circuit what must you do? - correct-answer - Shut off, tag
and lock
BC OWNER BUILDER EXAM| COMPREHENSIVE
Q&A FOR CERTIFICATION SUCCESS 2026
What is the regulation for insulation between the main home and garage? -
correct-answer - The house must have insulation and vapour barrier as though
the garage were exterior space. Air barrier and insulation is required for any wall
or ceiling that is between the garage and living space.
When should you call for electrical inspections? - correct-answer - Before wiring is
concealed or connected to a supply.
What must you do if you fail and electrical inspection? - correct-answer - Fix the
problem and call for re-inspection.
When do you need a chimney saddle? - correct-answer - When the upper side
width of the chimney is 750mm or more.
,2|Page
What must you do before starting to build? - correct-answer - Notify WorkSafe BC
at least 24 hours in advance
How high must a ladder protrude above a 4' trench? - correct-answer - 3'
Why keep a worksite free of debris? - correct-answer - To protect inspectors and
provide a safe and efficient work space
What shows hidden objects in blueprints? - correct-answer - Dashed lines
What square is best to use to transfer and 35 degree slope from plans to work? -
correct-answer - A sliding T-bevel
,3|Page
How much support is needed for floor joists into footing? - correct-answer - 1.5"
min for floor joists. For beams 3.5"
Why must concrete cure? - correct-answer - To reach peak strength
What is one method that can be used to prevent new concrete from freezing in
cold weather? - correct-answer - Insulated tarps
When should you order and inspection for an external sewer line? - correct-
answer - When the pipe in on 6" of sand and before backfill
When should insulation be inspected? - correct-answer - After insulation is
installed but before covering
, 4|Page
When can you put up exterior house wrap? - correct-answer - After framing
inspection but before insulating
What must a gas fitter do when a gas system installation has been completed? -
correct-answer - Affix a tag with their name, certificate number, type of appliance
and date
How far away must an electrical meter be from a gas meter? - correct-answer -
1m
When locking out of a circuit what must you do? - correct-answer - Shut off, tag
and lock
