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Connectors shall connect to a chimney flue at a point not less than ______ above the lowest portion of the interior of the chimney flue:
Commercial Kitchen Exhaust equipment serving a Type I hood shall have a clearance to combustible construction of not less than ______ :
Underground Ducts shall have a minimum slope of _______ per foot to allow drainage to a point provided with access:
Positive mechanical ventilation which provides a minimum of ______ complete air changes per hour shall be installed in limited spraying spaces
Mechanical and gravity outdoor air intake openings shall be located not less than _____ horizontally from any hazardous or noxious contaminant source
Fire dampers are not required at penetrations of shafts where the steel exhaust subducts extend at least _______ vertically in exhaust shafts provided that there is a continuous airflow upward to the outdoors:
Where located adjacent to walkways, the vertical termination of mechanical draft systems shall be not less than ______ above the level of the walkway:
The minimum openable area to the outdoors shall be ____ of the floor area being naturally ventilated:
Commercial cloth dryer ducts shall have a minimum clearance of _____ to combustible materials:
The termination point of exhaust outlets and ducts discharging explosive or flammable vapors, fumes or dusts to the outdoors shall be located with _______ from property lines
A transformer having 1600 turns in primary winding and 400 turns in secondary winding is supplied with 120 volts AC. What is its secondary voltage.
A single family dwelling unit has a branch circuit lighting load of 1,90,000 VA. What is the demand load of a dwelling unit after the demand factor applied?
Where a damper is installed within a duct, a smoke detector shall be installed in the duct within _____ of the damper with no air outlets or inlets between the detector and the damper:
Masonry chimney flues shall be provided with a cleanout opening having a minimum height of ______ :