Solidly fixed terminals with standard combination screw connections facilitate wiring All models built with heat-proof insulation for compact size and long life All terminals clearly identified with additive polarity markings Many multi-voltage primary and secondary models increase range of applications per unit Every coil bobbin-wound for greater efficiency and superior heat evacuation capabilities Can be mounted either vertically or horizontally All units CSA Certified & UL Listed CE verified up to and including 5000 VA