Question about Fahrenheat Electric Convector Baseboard Heater, 240 Volt
Just wondering on a 1500 or 2000 240 volts how any on theses can i connect to one circuit, and whats the standard wire ty you
Convert the watts to amps or get the amp rating off the device, this will tell you the minimal wire size, and then you will need to measure the distance from the breaker to the device, that will determine if the wire size needs to be increased for a long distance.
Example the 1500 uses 20 amps and 20 amps requires #12. 20 amps on a #12 is good for 100 feet anything further and you have to go up a wire size.
Take the amp rating and distance to the hardware store and they will have the chart and the correct wire for you to use. In the US 220 or 240 used to be three wire, 2 hots and a neutral through a double pole breaker, now the new NEC rules demand 4 wires for 220 volt devices, so you will need to check with whatever local code authority as to what they want on new installs versus replacement, if you are grandfathered in some way.
As to the four wires above, from the box, is that the heater box or circuit breaker box? In either case, the two hots go through their own breaker, called a double pole breaker, at the correct amperage rating. the white which is neutral and yes ground, is tied to the neutral bar in the breaker box, the bare or green, goes from the frame of the heater or the chassis, some common metal part, probably a green screw in the heater, and then in the breaker box, it will wire in with the rest of the bare grounds, this is a four wire 220 connection where they have quit using the white neutral as the only ground, and have insisted on adding this fourth bare chassis ground.
Once you have the correct wire size for the amperage, and the correct breaker size, and the wire size does not exceed the max limits for the size, you should be good to go.
However if you are concerned you can pull this off, pay a pro to do it, it is not worth a fire on a heater wiring job, for a few bucks on the install, it happens to often and not worth it, I have written on hear now several times, and have no responses, I have over thirty years in electrical devices including NEXRAD RADAR, motors above 5000 HP and understand all this, and the dangers.
Again firstname.lastname@example.org, or allexperts.com
I am not sure about fees, if there are any they go through this system in all fairness.
Posted on Nov 15, 2008
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