NHIE Exam II - Electrical & Mechanical
Systems - Missed Questions and Answers
(2025)
Workspace in front of an electrical panel board shall be a
minimum of __" width, but no less than the width of the panel
board. - Correct Answer ✅30"
The minimum size conductor for feeders and branch circuits
shall be __ copper. - Correct Answer ✅14 Gauge
What is the minimum permitted size of a grounded service
conductor serving a maximum of 150 amps? - Correct
Answer ✅1/0 Copper (?)
What is the maximum over current protection device rating
for No. 12 copper conductors? - Correct Answer ✅20 amps
Receptacle outlets shall be installed so that all points along
the floor line in any wall space are a maximum of __ feet from
an outlet in that space when measure horizontally. - Correct
Answer ✅6 feet
, NHIE Exam II - Electrical & Mechanical
Systems - Missed Questions and Answers
(2025)
Where installed in a storage closet, a recessed fluorescent
luminaire shall be located so as to provide a minimum
clearance of __" between the fixture and the nearest point of
the storage space. - Correct Answer ✅6"
Where installed in a storage closet, a covered incandescent
light shall be located so as to provide a minimum clearance
of __" between the fixture and the nearest point of the
storage space. - Correct Answer ✅12"
Hanging luminaires lighting track and pendants shall be
located a minimum of _____ horizontally and _____ vertically
from the top of a bathtub rim or shower stall threshold -
Correct Answer ✅3' horizontally / 8' vertically
What is the component that introduces cold water near the
bottom of a gas-fired water heater? - Correct Answer ✅The
Dip Tube
Systems - Missed Questions and Answers
(2025)
Workspace in front of an electrical panel board shall be a
minimum of __" width, but no less than the width of the panel
board. - Correct Answer ✅30"
The minimum size conductor for feeders and branch circuits
shall be __ copper. - Correct Answer ✅14 Gauge
What is the minimum permitted size of a grounded service
conductor serving a maximum of 150 amps? - Correct
Answer ✅1/0 Copper (?)
What is the maximum over current protection device rating
for No. 12 copper conductors? - Correct Answer ✅20 amps
Receptacle outlets shall be installed so that all points along
the floor line in any wall space are a maximum of __ feet from
an outlet in that space when measure horizontally. - Correct
Answer ✅6 feet
, NHIE Exam II - Electrical & Mechanical
Systems - Missed Questions and Answers
(2025)
Where installed in a storage closet, a recessed fluorescent
luminaire shall be located so as to provide a minimum
clearance of __" between the fixture and the nearest point of
the storage space. - Correct Answer ✅6"
Where installed in a storage closet, a covered incandescent
light shall be located so as to provide a minimum clearance
of __" between the fixture and the nearest point of the
storage space. - Correct Answer ✅12"
Hanging luminaires lighting track and pendants shall be
located a minimum of _____ horizontally and _____ vertically
from the top of a bathtub rim or shower stall threshold -
Correct Answer ✅3' horizontally / 8' vertically
What is the component that introduces cold water near the
bottom of a gas-fired water heater? - Correct Answer ✅The
Dip Tube
