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rocketmanken 11-18-2012 07:36 PM

240V garage heater wiring question
In the process of wiring a Duraflame 240V ceiling heater for garage. I am wiring a switch in between the heater and panel. I have the wire run and attempted to wire the inside of the heater but the 10 gauge wire seems to be too large/stiff to wire to the terminal block in the heater. I broke the plastic partition between the terminals in the block.

Several questions:

Can I replace the terminal block? (looked on line and can't seem find the same type - 5 positions, two rows)
Can I run more flexible wire from a junction box to the heater through flexible conduit?

Rochsolid 11-18-2012 07:42 PM

You should have no problems with the 10ga wire. What did you break on the plug? Possible to post a picture?

frenchelectrican 11-18-2012 09:45 PM

Did you use the soild or stranded conductors ?? If used stranded then it is not landing correct but for soild conductor that is useally not the best move due the viberation from heater can chaf the conductor(s).

You should have a short flexiable conduit from the wall to the heater for that purpose.


Missouri Bound 11-18-2012 10:00 PM

You may find a terminal block at Radio Shack:whistling2:

rocketmanken 11-19-2012 07:27 PM

1 Attachment(s)
I used solid 10-2 with ground. I ran a flexible conduit from a metal wall box to the heater, threaded the 10-2 through the conduit to the heater.

still trying to figure out how to attach a pic

Looked at Ace, Home Depot, and Menards for standed 10 AWG wire to run from junction box to heater. the warehouses only had bulk and, of course, ACE was out of 10 :mad:

'frenchelectrician' not sure about the term "landing"

see pic below. this block terminal should have metal piece at right - plastic busted off letting the piece loose

jbfan 11-19-2012 07:31 PM


mpoulton 11-19-2012 10:00 PM

Use high temperature wire nuts instead. Or if you really want to replace the whole terminal block, you can get one here:

frenchelectrican 11-20-2012 06:48 PM


Let you know that big orange ( HD ) do sell the conductors by foot so you will have to ask one of the assocation person ( worker ) to cut to the length btw make sure you get extra which you will need anyway.

Menards store I know they don't sell by foot for that size instead they sell small spool IIRC 25 foot rolls or larger.

Ditto with big Bleu ( Lowes )

That one reason why I always use the stranded conductor due the viberation on the heater unit can shake them over the time and can fail.

The only high tempture wirenuts I used them is cermaic type they are little harder to find useally electrical supply or appalince centre will have them.


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