Insulating ladder with limit high performance

The utility model relates to an ascend a height technical field of multiplexer utensil of electric power, more specifically relates to an insulating ladder with limit high performance, it is includingladder and foot bar, a plurality of the foot bar parallel is located two sets ofly between the ladder, be equipped with the limit for height device on the insulating ladder, the limit for height device with ladder connects, with foot bar parallel arrangement, be equipped with the limit for height sign that is used for warning the personnel of ascending a height on the limit for height device. Theutility model discloses position at the insulating terraced top 1m of distance sets up the limit for height sign, can print printed words such as " forbidding climbing with top " in the limit for height sign, the demonstration of unified and standard typeface, and the messenger personnel of ascending a height are timely identifying indicia in the course of the work, reaches the effect of warningthe limit for height, the f