The ILLUMRA xUV products are compatible with 100-277 VAC supply. A step-down transformer may be used to drop the voltage from 480 or 347VAC to a voltage in the range that is compatible with the device. Examples of these are:
- General Electric GETR480/277-250W 480 p/n: 74119
- E Craftsmen 347 to 120 VAC 25 W step-down transformer with nipple mount enclosure p/n: 210100E
- P/N 210100 is available without a case, 480 to 240 VAC versions are also available - p/n: 211063, Available with case and resettable fuse (option F)