Power over Ethernet (PoE) could disrupt the lighting industry more than the LED ever has. By powering lighting with Ethernet switches and inexpensive Cat 5 or 6 cable, instead of hazardous 120V electrical systems, PoE threatens to move lighting from the electrician's realm into IT. Lighting is everywhere in a building, and major IT players are poised to exploit the lighting layout and collect information for multiple building systems onto a single IP network. Beyond sensors and switches informing a standalone lighting control system, a network of security, phone, and other building systems coordinate to make buildings truly connected. PoE lighting can leverage investments in IT infrastructure and deliver greater energy efficiency, particularly in HVAC, plus a more personalized experience for the occupant.
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