I have recently moved in to a new apartment and found a transformer (which takes 120V @60Hz and outputs 24V 20VA) into a wall outlet with two wires coming from it and leading directly into one of my water baseboard heating units.
I called it in with management and they see no problems with it. According to them, this powers the heating unit, and should not be unplugged. I'm a bit worried, though, for a couple of reasons: those wires for the transformer run into the unit, rather than across and into the end. I pulled open the unit and the wires are spliced in to the wiring, but they rest on the fins of the radiator on the inside of the unit, and I'm worried the insulation could melt, possibly creating a short between the two wires via the fins.
My other concern is how the wires themselves are attached to the transformer; they are screwed in at the insulation stripped ends, and I'm worried this could be a shock hazzard for children.
In case it matters, there are 3 sets of heating units, one in the living room, one in the bathroom, and one in the bedroom. There is a single wall-mounted thermostat which I presume controls all 3 heating units. I cannot test any devices currently due to it being summer and the central boiler not being on, and with my concerns, I'd be afraid to even if I could.
My question is, is this an unsafe wiring setup? For safety's sake, I will not be performing any modifications to the wiring setup, but I would like to know whether any of my fears are warranted.