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DFT Installation Instructions
Installing an Electrical Connection Box (ECB)
a) New construction
For new construction it is recommended that rough-in be completed before drywalling begins�
Determine the appropriate location and height for the Electrical Connection Box* (ECB)� Consider
proximity to other outlet boxes, ease of routing Cold Lead to the Heated Area, and accessibility of the
thermostat during normal use� Typically, the cold lead enters the same wall cavity in which the ECB
is located�
Install the ECB, adjusting box projection to suit expected wall covering and prepare suitable fish hole to
floor (see Figures 1 & 2 below)�
Figure 1 Figure 2
Install Power Supply Wiring to ECB, but do NOT energize or connect to the thermostat until the finished
flooring has been installed� Install conduit if required (consult with your local inspection authority)�
Drywall installation can now be completed, and heating cable can be installed later�
* Typically requires a 15 cubic inch box for single cable installations� Multiple cable sets may require
larger boxes� Consult your local electrical authority�
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