QUESTIONS AND ANSWERS 100% PASS
What is the name of the code that is the accepted standard for all electrical wiring in the
United States? - CORRECT ANSWES -- National Electrical Code
What is the maximum distance between supports of a vertical raceway, based on NEC
Article 620-32? - CORRECT ANSWES -- 15 feet
What type of flex would be used to pipe a switch in a wet location? - CORRECT
ANSWES -- Liquidtight Flex
What is the name for the complete metal system of duct, conduit and flex that protects
the wiring? - CORRECT ANSWES -- Raceway
How is the work divided when planning piping and wiring of an elevator installation? -
CORRECT ANSWES -- 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? - CORRECT ANSWES -- Job abstract
What information is shown on a pull sheet? - CORRECT ANSWES -- Terminal
connections
Which type of diagram shows a simplified path from positive to negative for all
components in a circuit? - CORRECT ANSWES -- Straight line
How are multiple installations of traveling cables numbered for a single car? -
CORRECT ANSWES -- From the rail regardless of placement in the hoistway
What is shown on the final layout? - CORRECT ANSWES -- A plan drawing and an
elevation giving dimensions
In the circuit shown, which is the common wired for the second level? - CORRECT
ANSWES -- DC+
How are wire sizes larger than 4/0 measured? - CORRECT ANSWES -- In circular mils
What is the abbreviated term for current carry8ing capacity? - CORRECT ANSWES --
Ampacity
What is the minimum size wired for lighting circuits in an elevator installation? -
CORRECT ANSWES -- #14
, What is the special about wire used for the interlock circuit? - CORRECT ANSWES -- It
must be rated for 200 degrees C
What is the smallest wire that is permitted in an elevator installation? - CORRECT
ANSWES -- #24
When bending conduit, what is the maximum number of decrees of bend allowed
between access points? - CORRECT ANSWES -- 90 degrees
What is the reference point on the thin-wall bender for the finish line of a back to back
bend? - CORRECT ANSWES -- The star point
What is the total in degrees of the bends in a three-bend saddle? - CORRECT
ANSWES -- 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? - CORRECT ANSWES -- 9 inches
21 - CORRECT ANSWES -- Size of conduit is determined by the inside diameter
22 - CORRECT ANSWES -- NEC states wire used in elevators must have flame
retardant insulation
23 - CORRECT ANSWES -- Thin wall pipe, the radius of the bend is controlled by the
bender
24 - CORRECT ANSWES -- Three bend offset, center bend is 45 degrees, other bends
are 22 ½
25 - CORRECT ANSWES -- Final layout, pipe planning/wiring
26 - CORRECT ANSWES -- Job abstract, fixture
27 - CORRECT ANSWES -- Single travel cable may contain over 100 conductors
28 - CORRECT ANSWES -- Straight line diagrams are intended for troubleshooting
29 - CORRECT ANSWES -- Ampacity- means current carrying capacity
What is the maximum distance between supports on a vertical raceway? - CORRECT
ANSWES -- 15 feet
What must be installed every 100 ft in a vertical raceway? - CORRECT ANSWES --
Strain supports