1. For wood floors
a. Using a 4” hole saw, cut the flooring to a depth equal to the thickness of the cast
flange and cover assembly being used on the floor box.
b. Center a 3.5” hole saw in the 4” opening and cut through all remaining layers of flooring.
This will create a lip for the flange of the box to rest on.
c. Remove the cover assembly and wiring device from the floor box.
d. Dropbox body into the opening and secure using #6 wood screws (not provided) through
the countersunk slots in the cast flange and into the underlying wood.
e. After wiring and installing electrical or communication devices to the floor box and ground
screw (if applicable), replace the cover plate assembly using #8/32 x ½” screws provided.
f. If an uneven cut was made into the flooring, goof rings (TCP-GR1) can be used in conjunction
with the original cover assembly or oversized covers (TCP series) can be used in place of the
original cover assembly.
g. For carpeted areas, use SCF-1 placed on top of the floor box (cover assembly removed first),
then insert the cover assembly into the carpet flange. Use 1.25” longer screws provided through
the cover assembly and that will affix to the floor box.
h. For tile applications, order part #812 (box body only) and a TCP-style cover. Follow steps a-d
above. After wiring in step e, install the mounting plate and gasket, then place the TCP style plate
on top of the floor and use #8/32 X ¾” screws provided.
2. For concrete floors
a. Not recommended for new construction as no concrete cap is provided and this is a nonadjustable box.
b. Core out 4 ¼” into concrete as deep as needed to accommodate the height of the box and the ability to
affix conduit from underneath.
c. Backfill concrete if necessary to close gaps in the floor.
d. Follow steps c-h above.