I need to install 2 baseboard heaters on a brick wall in a very dry basement. I will also need to install some outlets between the baseboard heaters(the outlets will be about 4 feet to the side of the heaters). I'll run the 240v for the baseboards in conduit, but I can't seem to find any information about the legality/safety of running additional conduit for the 120 V outlets below the heaters. Seems like no problem to me, the building inspector didn't seem to have a problem with it, but also didn't seem to fully understand what I meant. Any thoughts?
Can I install conduit underneath a baeboard heater
- Thread starter farmfresh
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Jar546
In the Trades
I would only allow it if the wire was properly rated for the heat and you also provided derating calculations for the circuit.
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Lakee911
I&C Engineer (mostly WWTP)
That's true, jar, but how much heat radiates downwards from those?
Billy_Bob
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Interesting question!
I have no idea where you would find that data (for a baseboard heater), however I do know that when installing a wood stove, the installation instructions will require a certain R-Value (insulation) hearth/pad if installing the wood stove on a combustible material like a wood floor.
Also there are 3 types of heat transfer... Radiation, conduction and convection. More...
Heat...
http://en.wikipedia.org/wiki/Heat
Thermal radiation...
http://en.wikipedia.org/wiki/Thermal_radiation
Conduction (heat)...
http://en.wikipedia.org/wiki/Heat_conduction
Convection...
http://en.wikipedia.org/wiki/Convection
hj
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heat
It would partly depend on whether the baseboard heats strictly by radiation, or if also uses convection currents through it. If so, then anything underneath it that could obstruct the air flow would not be permitted.
It would partly depend on whether the baseboard heats strictly by radiation, or if also uses convection currents through it. If so, then anything underneath it that could obstruct the air flow would not be permitted.
Speedy Petey
Licensed Electrical Contractor
You would seriously ask for a "derating calculation"????
I will also ask: How much heat is actually directed down from an electric baseboard heater? Not much in my opinion.
Jar546
In the Trades
Correct, your opinion. I need facts
Speedy Petey
Licensed Electrical Contractor
OK then. I'll let you know when I get them. 
