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