| Verified | Latest 2024 Version
What is the name of the code that is the accepted standard for all electrical wiring in the United States? -
✔✔National Electrical Code
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