Guide to Low Voltage Building Wiring Transformers or Transverters. Low voltage transformer for Low Voltage Transformer Wiring Instructions, Manuals. Find helpful customer reviews and review ratings for Moonrays 95433 300-Watt We installed a 900 watt transformer on this job, however it would fail at 6 OUTDOOR LOW VOLTAGE TRANSFORMER. INSTALLATION AND UUSE (for MODEL NO: #95433 300 Watts Maximum (PTST-30012) Installation Instructions: Outdoor Only. Moonrays 95433 300-Watt Power Pack with Sensor and Weather Shield for Low Voltag; Outdoor Lighting Transformer Low-Voltage 300-Watt Black Photocell Light-Moonrays 95433 300-Watt Power Pack with Sensor and Weather Shield for Low Voltage Brand: MOONRAYS 5 minute setup - no need to follow instructions. Moonrays Low-Voltage Transformers 95433 reviews by customers Superb! Superb! Got the ordered items within the promised eta. Write Your Own Reviews. Only