API672 5TH Edition 7 Accessories 7.1 Drivers 7.1.1.1 The driver shall be of the type specified, shall be sized to meet the maximum specified operating conditions,including gear and coupling losses, and shall be in accordance with applicable specifications, as stated in the inquiry and order. The driver shall operate under the utility and site conditions specified in the inquiry. 7.1.1.4 The driv..