NEIEP 500 EXAM QUESTIONS WELL ANSWERED LATEST UPDATE 2026
On a dumbwaiter what provides power o the door buttons? - Answers Zone contacts
What is the maximum platform area for a hand or power dumbwaiter? - Answers 9 sq ft.
How many amps can electrocute you? - Answers .01 amps
What color are oxygen and acetylene hoses? - Answers Green and red
Can latches be used as interlocks? - Answers No
What two signals does the interlocks on a freight elevator send to the controller? - Answers Closed
and locked
What is the dimension of a sill guard - Answers Must extend leveling zone plus 3 inches
What is the minimum and maximum size for a vision panel? - Answers 24 sq ft and 80 sq ft
Can Unitized sill brackets be adjusted left to right? - Answers No, only up and down
What is plugging? - Answers Plugging is applying dc to an ac motor to slow the motor. Plugging
applies Dc to windings to generate high counter-emf
What is the distance between strain supports for wire? - Answers Strain supports needed every 100
feet
What are characteristics of interlocks on freight cars? - Answers Must be tamper resistant and must
prevent the ability to override the door contacts with the door open
If there is voltage at the generator armature but not at the motor armature what is the problem? -
Answers Loop circuit open
What are IGBTS - Answers Insulated gate bipolar transistors, used in VVF door operators
What is the proper setting for door eccentrics? - Answers .005 inches or to barley see daylight
On a traction elevator with generator control what is the maximum distance the elevator doors can
be unlocked? - Answers 18 inches
How do you change direction of an AC motor - Answers Swap two of the phases
What is present in a class 1 hazard? - Answers Flammable gasses
What is the loop on a 1-1/2inch in diameter traveler? - Answers 45 inches, times the diameter of
traveler by 30
What is the weight of cast iron and steel per cubic inch? - Answers Cast iron is .25 and steel is .28 lbs
per cubic inch
What is the suicide circuit? - Answers To eliminate residual magentism from the generator
How is a hydraulic elevator grounded? - Answers Car sling isn't insulated, traveling cable must a
permanent ground
How do you maintain switches in a music box? - Answers Vacuum insides, check contacts file if
needed, check pivot points, rollers
How is runby checked on a hydraulic elevator? - Answers Run the elevator onto stop ring and open
door and measure distance car is above top sill
How do you determine what kind of buffer system is needed? - Answers Spring buffers up to 200
fpm, anything over is oil buffers
What is the maximum closing force of a passenger elevator door? - Answers 30 ft lbs
What are the classes of freight loading? - Answers Class a- general freight, 25% of rated load
Class b- cars, 75% of rated load
Class c- loading with forklift and fork lift can be on
What is special about interlock wire? - Answers Flame retardant, rated up to 200 c° and 392 f°
What are the take ups when bending EMT in 1/2,3/4,1" - Answers 1/2- 5 inches
3/4- 6 inches
1"- 8 inches
An SCR will not conduct until it is? - Answers Gated
How many turns of saftey rope need to be on a drum machine after a safety test in performed? -
Answers Three turns
What size wire is required for elevator lighting circuit - Answers #14
What is the maximum number of degrees allowed in bends before an access point is needed -
Answers 360°
On a dumbwaiter when is access required? - Answers Only when they are above 25 ft of travel
What type of platform is required with load weighing? - Answers Isolated platform
What is the purpose of eccentrics on doors? - Answers To prevent dislodging of doors
What is the maximum distance for running clearance from car sill to hoistway sill? - Answers 1-1/2
On a dumbwaiter what provides power o the door buttons? - Answers Zone contacts
What is the maximum platform area for a hand or power dumbwaiter? - Answers 9 sq ft.
How many amps can electrocute you? - Answers .01 amps
What color are oxygen and acetylene hoses? - Answers Green and red
Can latches be used as interlocks? - Answers No
What two signals does the interlocks on a freight elevator send to the controller? - Answers Closed
and locked
What is the dimension of a sill guard - Answers Must extend leveling zone plus 3 inches
What is the minimum and maximum size for a vision panel? - Answers 24 sq ft and 80 sq ft
Can Unitized sill brackets be adjusted left to right? - Answers No, only up and down
What is plugging? - Answers Plugging is applying dc to an ac motor to slow the motor. Plugging
applies Dc to windings to generate high counter-emf
What is the distance between strain supports for wire? - Answers Strain supports needed every 100
feet
What are characteristics of interlocks on freight cars? - Answers Must be tamper resistant and must
prevent the ability to override the door contacts with the door open
If there is voltage at the generator armature but not at the motor armature what is the problem? -
Answers Loop circuit open
What are IGBTS - Answers Insulated gate bipolar transistors, used in VVF door operators
What is the proper setting for door eccentrics? - Answers .005 inches or to barley see daylight
On a traction elevator with generator control what is the maximum distance the elevator doors can
be unlocked? - Answers 18 inches
How do you change direction of an AC motor - Answers Swap two of the phases
What is present in a class 1 hazard? - Answers Flammable gasses
What is the loop on a 1-1/2inch in diameter traveler? - Answers 45 inches, times the diameter of
traveler by 30
What is the weight of cast iron and steel per cubic inch? - Answers Cast iron is .25 and steel is .28 lbs
per cubic inch
What is the suicide circuit? - Answers To eliminate residual magentism from the generator
How is a hydraulic elevator grounded? - Answers Car sling isn't insulated, traveling cable must a
permanent ground
How do you maintain switches in a music box? - Answers Vacuum insides, check contacts file if
needed, check pivot points, rollers
How is runby checked on a hydraulic elevator? - Answers Run the elevator onto stop ring and open
door and measure distance car is above top sill
How do you determine what kind of buffer system is needed? - Answers Spring buffers up to 200
fpm, anything over is oil buffers
What is the maximum closing force of a passenger elevator door? - Answers 30 ft lbs
What are the classes of freight loading? - Answers Class a- general freight, 25% of rated load
Class b- cars, 75% of rated load
Class c- loading with forklift and fork lift can be on
What is special about interlock wire? - Answers Flame retardant, rated up to 200 c° and 392 f°
What are the take ups when bending EMT in 1/2,3/4,1" - Answers 1/2- 5 inches
3/4- 6 inches
1"- 8 inches
An SCR will not conduct until it is? - Answers Gated
How many turns of saftey rope need to be on a drum machine after a safety test in performed? -
Answers Three turns
What size wire is required for elevator lighting circuit - Answers #14
What is the maximum number of degrees allowed in bends before an access point is needed -
Answers 360°
On a dumbwaiter when is access required? - Answers Only when they are above 25 ft of travel
What type of platform is required with load weighing? - Answers Isolated platform
What is the purpose of eccentrics on doors? - Answers To prevent dislodging of doors
What is the maximum distance for running clearance from car sill to hoistway sill? - Answers 1-1/2
