Series has been specifically designed for long distance applications to compensate wire drop voltage. An electrician can simultaneously select from up to four different output voltage 12V, 13V, 14V and 15V.The EMT has large terminal block for easy installation and reliable operation. High grade core and copper winding provide excellent load regulation and efficiency. Build in timer and photocell options provide full control and energy savings. Secondary toggle switch circuit breaker provide short circuit and overload protection. Removable door: Side Hinge or Slide Cover. Suitable for Wet Location, ETL Listed to UL STD 1838, CSA STD C22.2 250.0 and 250.7