Subchapter 6. Elevator Safety Orders
Group 3. New Elevator Installations

Article 21. Machinery and Equipment for Electric Elevators

• §3121.0. Car and Counterweight Guide Rails, Guide-Rail Supports and Fastenings.
• §3121.1. Buffers and Bumpers.
• §3121.2. Counterweights.
• §3121.3. Car Frames and Platforms.
• §3121.4. Car Enclosures, Car Doors and Gates, and Car Illumination.
• §3121.5. Car and Counterweight Safeties.
• §3121.6. Speed Governors.
• §3121.7. Capacity and Loading.
• §3121.8. Driving Machines and Sheaves.
• §3121.9. Terminal Stopping Devices.
• §3121.10. Operating Devices and Control Equipment.
• §3121.11. Emergency Operation and Signaling Devices.
• §3121.12. Suspension Ropes and Their Connections.
• §3121.13. Welding.
• §3121.14. Layout Data.

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