King Electric FCM Floor Mat - Manual (Page 13)

King Electrical Floor Heating Mat Installation Manual 13
STEP 4R: Electrical rough-in (For Remodel)
Cut Hole for remodel J-box Install remodel J-box
4.1R Determine the proper location and height
(typically 60”) for the
junction box. The cold lead and the floor sensor
lead wires should be in the same stud cavity as the
electrical junction box.
4.2R Install a remodel type electrical junction box
for the thermostat and run the supply power into the
box.
Install Nail Plate
4.3R Remove base moldings as needed where the 4.5R Install a nail plate to protect the wires.
cable routing holes need to be drilled.
4.4R Chisel out a 1-1/2” by 1-1/2” channel into
the sill plate 1-1/2” deep. If installing a floor sensor, chisel a
second relief 4” away in the same stud cavity.