QUESTIONS WITH VERIFIED ANSWERS
2026 | Study Guide | A+
• What is the maximum distance between supports of a vertical raceway, based on NEC
Article 620-32? -✓✓15 feet
• What type of flex would be used to pipe a switch in a wet location? -✓✓Liquidtight
Flex
• What is the name for the complete metal system of duct, conduit and flex that protects
the wiring? -✓✓Raceway
• How is the work divided when planning piping and wiring of an elevator installation? -
✓✓Hoistway, car and machine room
• What document may be the only place to look for such information as type of fixtures,
car panel, fire service floor, etc? -✓✓Job abstract
• What information is shown on a pull sheet? -✓✓Terminal connections
• Which type of diagram shows a simplified path from positive to negative for all
components in a circuit? -✓✓Straight line
• How are multiple installations of traveling cables numbered for a single car? -✓✓From
the rail regardless of placement in the hoistway
• What is shown on the final layout? -✓✓A plan drawing and an elevation giving
dimensions
• In the circuit shown, which is the common wired for the second level? -✓✓DC+
• How are wire sizes larger than 4/0 measured? -✓✓In circular mils
• What is the abbreviated term for current carry8ing capacity? -✓✓Ampacity
• What is the minimum size wired for lighting circuits in an elevator installation? -✓✓#14
• What is the special about wire used for the interlock circuit? -✓✓It must be rated for
200 degrees C
, • What is the smallest wire that is permitted in an elevator installation? -✓✓#24
• When bending conduit, what is the maximum number of decrees of bend allowed
between access points? -✓✓90 degrees
• What is the reference point on the thin-wall bender for the finish line of a back to back
bend? -✓✓The star point
• What is the total in degrees of the bends in a three-bend saddle? -✓✓90 degrees
• You have 10' length of ¾" rigid conduit which needs to have a 90 degree bend with a
16" stub height. With a 7" take- up, what is the distance from the end of the pipe to the
mark where the hickey arrow is aligned? -✓✓9 inches
• 21 -✓✓Size of conduit is determined by the inside diameter
• 22 -✓✓NEC states wire used in elevators must have flame retardant insulation
• 23 -✓✓Thin wall pipe, the radius of the bend is controlled by the bender
• 24 -✓✓Three bend offset, center bend is 45 degrees, other bends are 22 ½
• 25 -✓✓Final layout, pipe planning/wiring
• 26 -✓✓Job abstract, fixture
• 27 -✓✓Single travel cable may contain over 100 conductors
• 28 -✓✓Straight line diagrams are intended for troubleshooting
• 29 -✓✓Ampacity- means current carrying capacity
• What is the maximum distance between supports on a vertical raceway? -✓✓15 feet
• What must be installed every 100 ft in a vertical raceway? -✓✓Strain supports
• What switch is installed in areas of the country subjects to earthquakes which detects
ground motion when an earthquake is imminent? -✓✓A seismic switch
• What is the minimum overhead clearance for raceways mounted in the machine room
overhead? -✓✓7ft