Section 7.259. Terminal stopping devices

Latest version.

Upper and lower normal terminal stopping switches operated by the carriage shall be provided and set to stop it at the normal top and bottom terminals of travel. A final terminal stopping switch, operated by the carriage, shall be provided and set to stop it should overtravel of the normal top terminal occur. The final terminal stopping device shall prevent movement of the carriage in both directions of travel. The normal and final terminal stopping devices shall not control the same switches on the controller unless two or more independent switches are provided, two of which shall be closed to complete the motor and brake circuits in each direction of travel.

                    
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