2.3.6.

"Closed-circuit tell-tale" means a visual (or any equivalent signal) indicating that a device has been switched ON, but not indicating whether it is operating correctly or not.

 a10c0
2.3.6. "Closed-circuit tell-tale" means a visual (or any equivalent signal) indicating that a device has been switched on, but not indicating whether it is operating correctly or not. a8c0
2.19. "Closed-circuit tell-tale" means a visual (or any equivalent signal) indicating that a device has been switched on, but not indicating whether it is operating correctly or not. a0c0