FeaturesOpen fixture features body constructed of polycarbonate90 deg C vertical aiming capability and 321 deg C rotationCopper alloy contacts provide precise spring actionNo arcing and will not take a setPatented embossed polarity arrows on bottom of adapterTrue, positive electrical groundSpring loaded locking latch with embossed polarity arrows secures trac light to tracPull-up contact to up position for 2-circuit applicationMedium base porcelain with nickel plated copper screw shellFor use with 45 to 150 W PAR38 lamps