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Electric Baseboards

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Jaybone812

Jaybone812

Member
Location
Massachusetts
Occupation
Electrician
joseph02347 said:
I am in Massachusetts and i am installing 4 baseboard electric heaters in a finished basement 2- 6ft 240v 1500w and 2-240 1000w do each electric baseboard need a designated circuit i know normally they do not but in mass there is a bunch of regulations on heating now was looking in 424 but couldn't find anything Defina native
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You could pull two 15 amp circuits and put one 1500, and 1000 watt heater on each 15 amp circuit , or pull a 15 amp circuit and a 20 amp circuit the two 1000 watt heaters on the 15 amp circuit and the two 1500 watt heaters on the 20 amp circuit


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Jaybone812

Jaybone812

Member
Location
Massachusetts
Occupation
Electrician
infinity said:
He didn't say what the configuration is but of the four heaters he has 2-1500 watt heaters which cannot be on a 15 amp circuit.
Click to expand...

He could split the heaters up and pull two 15 amp circuits if he put a 1000 watt and 1500 watt heater on each 15 amp circuit , but you’re definitely right he can’t put both 1500 watt heaters on a 15 amp circuit


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infinity

infinity

Moderator
Staff member
Location
New Jersey
Occupation
Journeyman Electrician
Jaybone812 said:
If he pulled two 15 amp circuits a 1000 watt and 1500 watt heater would have to share a circuit . He can’t put both 1500 watt heaters on a 15 amp circuit
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Correct. Hopefully the OP returns to fill in the blanks but to your point:
1500+1500=3000/240=12.5*125%=15.625 amps minimum circuit size.
 
E

Eddie702

Licensed Electrician
Location
Western Massachusetts
Occupation
Electrician
Related question not to hijack the thread. I always thought that baseboard heaters required a two-pole thermostat with an off position to use as a disconnect.

I have seen a lot of Honeywell digital electric heat thermostats with only 2 wires, so it is a single pole thermostat.

I always thought if single pole thermostats were used that the breakers need permeant locking mechanism.
 
Jaybone812

Jaybone812

Member
Location
Massachusetts
Occupation
Electrician
Eddie702 said:
Related question not to hijack the thread. I always thought that baseboard heaters required a two-pole thermostat with an off position to use as a disconnect.

I have seen a lot of Honeywell digital electric heat thermostats with only 2 wires, so it is a single pole thermostat.

I always thought if single pole thermostats were used that the breakers need permeant locking mechanism.
Click to expand...

Unless the thermostat disconnects all the ungrounded conductors it can’t be the disconnecting means it can only act as the control . Those t stats your talking about could be a disconnect for a 120 baseboard but not a 240


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