Is PoE lighting environmentally friendly?

According to Cisco https://blogs.cisco.com/networking/3-reasons-to-use-poe-lighting the environmental benefits are far beyond what we imagined. According to Cisco the use of PoE lighting further reduces the strain on the planet by eliminating required materials required to build the product and subsequently reducing Co2 emissions.
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Is PoE safe?

YES. PoE is safe. Per IEEE standards, PoE is injected into a cable at voltage between 44 and 57V DC, typically 48V DC. Typically, anything less than 35V AC or 60V DC is considered safety extra low voltage (SELV), so by definition, PoE-enabled ports are SELV. That’s not to say that 48V DC can’t shock […]

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How does Poe work?

Power over Ethernet (PoE) is the process of sending electrical power and data over copper wire. The combination of data transmission along with power supplying hardware onto the same RJ45 Ethernet connector allows for the transmission of power over the network cabling.

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