re: Can you power a PoE(PD) switch from a "dumb" cable?

quote:

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There is no power in this closet.
It would be inconvenient to run power to the closet

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When you say 'no power' do you mean no wall outlet or 100% no power? Does this closet have a light?

If there is a light, it might not be as inconvenient as you think to install an outlet.

Depending on the location of the wall light switch, it may only cost a few bucks and half an hour to install an outlet. Really depends whether the switch is on an adjacent wall for this to be an option.

If it's a pull switch light, the type with a pull chain or string, you can change the fixture for a few bucks and 10 minutes that has an outlet built in.