Article 20 - Hoistways, Hoistway Enclosures, and Related Construction for Electric Elevators
- Section 3120.0 - Construction of Hoistways and Hoistway Enclosures
- Section 3120.1 - Machine Rooms and Machinery Spaces
- Section 3120.2 - Electrical Equipment, Wiring, Pipes, and Ducts in Hoistways, Machine Rooms and Machinery Spaces
- Section 3120.3 - Location and Guarding of Counterweights
- Section 3120.4 - Guarding of Exposed Equipment
- Section 3120.5 - Machinery and Sheave Beams, Supports, and Foundations
- Section 3120.6 - Pits
- Section 3120.7 - Bottom and Top Clearances and Runbys for Elevator Cars and Counterweights
- Section 3120.8 - Horizontal Car and Counterweight Clearances
- Section 3120.9 - Protection of Spaces Below Hoistways
- Section 3120.10 - Protection of Hoistway-Landing Openings
- Section 3120.11 - Hoistway-Door Locking Devices, Car Door or Gate Electric Contacts, Hoistway Access Switches, and Elevator Parking Devices
- Section 3120.12 - Power Operation, Power-Opening and Power-Closing of Hoistway Doors and Car Doors or Gates