An installer is setting a commercial electric elevator. Under ASME A17.1-2019, a fixed vertical pit ladder is required when the pit extends more than which distance below the sill of the pit access door?
Commercial Elevators
Question · Easy
When installing a nonretractable pit ladder per ASME A17.1-2019, how far must the ladder (or equivalent handgrips) extend above the sill of the pit access door?
Question · Medium
ASME A17.1-2019 pit-ladder rungs, cleats, or steps shall be a minimum of 400 mm (16 in.) wide and spaced on center at which interval?
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A commercial hoistway has a building floor below the bottom terminal landing. Per ASME A17.1-2019, pit access by ladder is not permitted when the pit floor is more than which distance below the access-door sill?
Question · Hard
When a separate pit access door is provided on a commercial elevator, ASME A17.1-2019 requires a minimum clear opening of which size?
Under ASME A17.1-2019 Requirement 2.2.4.4, who is permitted to have access to elevator pits?
A retractable pit ladder lies in the line of movement of the car when it is not fully retracted. What must the installer provide per ASME A17.1-2019?
With the car at the lowest landing, the distance from the pit floor to the underside of the plank channels exceeds 2 100 mm (83 in.). What does ASME A17.1-2019 Requirement 2.2.8 require the installer to provide?
ASME A17.1-2019 machine-room and control-room access doors shall be which of the following?
What is the minimum size of an ASME A17.1-2019 access door to a machine room or control room?
Keys that unlock commercial elevator machine-room and control-room access doors are classified by ASME A17.1-2019 Section 8.1 as which security group?
An installer is checking machine-room lighting before turnover. ASME A17.1-2019 requires illumination at the machine-room or control-room floor of not less than which level?
A plumbing contractor wants to run a domestic cold-water line and a sanitary vent through the commercial elevator hoistway. What does ASME A17.1-2019 Section 2.8 require?
Unless a listed exception applies, the top emergency exit in a commercial elevator car enclosure shall have an area of not less than 0.26 m² (400 in²) and shall measure not less than which dimension on any side?
How must a commercial elevator top emergency-exit cover be arranged so passengers cannot open it from inside the car?
During normal closing of a power-operated horizontally sliding commercial elevator door, ASME A17.1-2019 limits the kinetic energy of the door system and its rigid linkages to a maximum of which value?
The static force required to prevent closing of a power-operated horizontally sliding commercial elevator door, measured in the middle third of travel, shall not exceed which value?
For a traction elevator with a rated speed greater than 0.75 m/s (150 ft/min), which type of car safety is required by ASME A17.1-2019?
A car speed governor on a commercial traction elevator shall be set to trip at not less than which percentage of rated speed?
Spring buffers are permitted under ASME A17.1-2019 only when the elevator rated speed does not exceed which value?
A new commercial traction elevator is specified at 350 ft/min. Which pit buffers must the contractor install?
When hanging commercial hoistway swing doors, the clearance between the hoistway face of the door and the hoistway edge of the landing sill shall not exceed which ASME A17.1-2019 value?
For horizontally sliding commercial hoistway doors, the clearance between the hoistway face of the door and the hoistway edge of the landing sill shall not exceed which value?
Top-of-car inspection operation on a commercial elevator shall be constant-pressure and shall not exceed which speed?
Which electrical protective device must be installed on top of a commercial elevator car as part of the inspection-operation station?
Every commercial elevator pit shall have an enclosed stop switch. How must that switch be arranged?
ASME A17.1-2019 pit lighting shall provide not less than which illumination at the pit floor?
Car-top lighting for inspection and maintenance shall provide not less than which illumination at the point where work is performed?
What is the primary purpose of a commercial hoistway-door interlock?
When a commercial elevator car is outside the unlocking zone, the car door shall not be openable from inside the car more than which distance?
The unlocking zone in which a commercial hoistway door may be unlocked is limited by ASME A17.1-2019 to not more than which distance above and below the landing?
A hydraulic commercial elevator must remain approximately level with the landing while parked and loading. Which function provides that protection?
When installing an in-ground hydraulic jack on a commercial elevator, what corrosion-protection requirement must the contractor satisfy?
If the hydraulic oil level becomes too low to complete a full up trip, what must the low-oil protection means do?
A hydraulic elevator machine room must include a means to lower the car manually in an emergency. What device provides that function?
New traction elevators must be provided with a means to stop an ascending car in overspeed and to stop unintended car movement with the doors open. Which ASME A17.1-2019 section governs those means?
The mainline disconnecting means for a commercial elevator shall be which of the following?
Every commercial elevator car shall have a capacity plate. What information must that plate show?
A freight elevator will be loaded by an industrial truck that remains on the car. How is that loading classified in ASME A17.1-2019?
Normal terminal stopping devices on a commercial elevator are intended to do which of the following?
If a commercial elevator passes the normal terminal stopping device, what must the final terminal stopping device do?
Compensation means (chains or ropes) are installed on a tall traction elevator primarily to do which of the following?
Commercial elevator car and counterweight guide rails shall be which of the following?
Where a counterweight is located in the same hoistway as the car, ASME A17.1-2019 requires the counterweight to be which of the following?
If sprinklers are installed in a commercial elevator machine room or hoistway, what additional electrical arrangement is required before water can discharge?
Under OSHA 29 CFR 1926.552, which statement shall be posted on a material-hoist car frame or crosshead?
OSHA 1926.552 requires personnel-hoist towers to be anchored to the structure at intervals not exceeding which distance?
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