Energized parts operating at a minimum of ________ shall be guarded against accidental contact by
people through the use of approved enclosures. - CORRECT ANSWER 60 volts
Work space in from to f an electrical panel board shall be a minimum of _____ inches in width, but no
less than the width of the panel board. - CORRECT ANSWER 30 inches
Where electrical conductors are to be spliced, terminated or connected to fixtures or devices, a
minimum length of _____ inches of free conductor shall be provided at each outlet, junction or switch
point.
1/1 - CORRECT ANSWER 6 inches
Where it is impractical to locate the service head or goose neck above the point of attachment of the
service-drop or overhead service conductors to the building, the service head or goose neck shall be
located a maximum of _____ inches from the point of attachment.
1/1
12 - CORRECT ANSWER 24
An open service conductor without an overall outer jacket shall have a minimum clearance of ____ from
the sides of doors, porches and operable windows. - CORRECT ANSWER 3 feet
In all cases, the point of attachment of service-drop conductors to a building shall be a minimum of ____
above finished grade. - CORRECT ANSWER 12 feet
A metal underground water pipe used as part of the grounding electrode system shall be in direct
contact with the earth for a minimum of _____. - CORRECT ANSWER 10 feet
Where used outside, an aluminum or coper-clad aluminum grounding electrode conductor shall be
installed a minimum of _____ from the earth. - CORRECT ANSWER 18 Inches