I talked to our electrician late yesterday....He's put up 15.5 cases..36 lamps each in 2 days. Im not sure about the exact hours, probably 14-16. He went in early friday at 5am to work over the registers. At some point he did bump a aisle somewhere in the store and pulled out a couple of screws from some partical board which we will repair. Working 20ft in the air, there's a lot of liability in this work, with customers, store shelves, product, and the like. I told him to take his time, be kind to people, whistle while he works, and talk a lot to the customers to keep any anger defused around him. I think we have 4.5 cases to go. We also were slowed down by the rental lift's batteries. It's from one of the cheaper places we rent from and their batteries aren't the greatest, as we have to plug in the lift at every break time, lunch time, and night to keep things rolling. This means a lot of dead time rolling the lift to a outlet for charging. There are no outlets on the main part of the floor, only around the perimeter at the cold boxes in this big box store. A dead lift in the middle of the store is a big big problem. We wont use that rental company next time.......