![Mock poles and power lines help trainees at JLG's new McConnellsburg proving grounds practice maneuvering booms in tight spaces, identify voltage on a power line and determine the minimum safe working distance.](https://img.forconstructionpros.com/files/base/acbm/fcp/image/2014/10/JLG_Booms.5447e608ccdf6.png?auto=format%2Ccompress&fit=crop&h=288&q=70&w=512)
Mock poles and power lines help trainees at JLG's new McConnellsburg proving grounds practice maneuvering booms in tight spaces, identify voltage on a power line and determine the minimum safe working distance.
The access-equipment maker quadrupled the size of the training center at the Pennsylvania headquarters with intent to expand its training effort 50% per year