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Electrical Wiring for a 240 Volt Wall Heater


By Dave Rongey - Summary:

How to Install Electrical Wiring for a 240 Volt Wall Heater: Thermostats will either involve the same size and type of wiring as the electrical circuit requirements or some thermostats are the low voltage type where a control circuit is contained inside the electric heater unit.

Electrical Circuit and Connections for a 240 Volt Wall Heater

Electrical Question: I am trying install a 240 volt wall heater with a built-in fan to a thermostat.

This electrical wiring question came from: Chris, a Homeowner from Vancouver, British Columbia.

Dave’s Reply:
Thanks for your electrical wiring question Chris.

How to Wire a 240 Volt Wall Heater

Application: Wiring a 240 volt Wall Heater.
Skill Level: Intermediate to Advanced – Best performed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools, electric drill, auger bits and extension cord.
Estimated Time: Depends on personal level experience, ability to work with tools and install electrical circuit wiring.
Precaution: Identify the panel circuit, turn it OFF and Tag it with a Note before working with the wiring.
Notice: Installing additional circuit wiring should be done according to local and national electrical codes, with a permit and be inspected.

Example of Wiring a Wall Heater

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For more information about 220 Volt Wiring Diagram
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220 Volt Wiring Diagram



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4 Responses to “Electrical Wiring for a 240 Volt Wall Heater”
  1. Dave Rongey says:

    Hi Todd,
    All electrical circuits require a ground, in fact the ground wire is the most important wire of any home electrical circuit because of the measure of safety it provides if something goes wrong. It may be a good idea to find out why the ceiling heating unit is not working before proceeding with a new wall heater. It could be that the thermostat just needs to be replaced.
    I hope this helps,
    Dave

  2. todd says:

    I have a radiant ceiling heating in a apartment that doesn’t work. The landlord wants to install a wall heater were the thermostat is. It is 240 volt circuit with no ground. Is a ground required per NEC Code?

  3. Dave Rongey says:

    Hi Todd,
    I totally agree, and understand where your coming from. The information available on this website is offered under the stated Terms and Conditions, and the liability is totally on the visitor. I especially make a point of telling visitors that for best results electrical work should be performed by a Licensed Electrical Contractor.
    However I will point out that a homeowner, where permitted by their local building jurisdiction and governing agencies, may choose to perform certain projects, and be held totally responsible for the work that they perform.

    Dave

  4. todd says:

    Some work should be installed by a certified electrician, some home projects should not be attempted by home owners. I feel by giving information about installations is a liability to the person giving information.