The VoltageVision power warning alert device is mounted to the outside of a panel and hardwired to the load side of the main disconnect, thereby providing external LED indication of voltage inside electrical system enclosures. The device provides on/off voltage indication, thereby verifying that an electrically safe work condition exists before an electrician opens an electrical enclosure. It detects AC and DC voltage and operates from 40VAC-750VAC/30VDC-1,000VDC.

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