Y1
1st Year Apprentice
0 XP total • 500 to next
0 solved
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Elevator Machine Room
High-Rise MEP
Journeyman+100 XP
A high-rise elevator machine room on the roof contains gearless traction machines, controllers, and electrical disconnects. Review the installation and identify what components are missing.
Components Present
- •Gearless traction elevator machines for 6 passenger cars
- •Elevator controller cabinets with VFD drives
- •Main line disconnecting means per NEC 620.51
- •Car lighting and ventilation power disconnects
- •Machine room fire-rated door with self-closer