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68-HP
NONMETALLIC FLOOR BOX
Installation Instructions
IMPORTANT: Read all instructions before installing oor box, carpet plate or mounting kit.
WARNING
RISK OF SHOCK, DISCONNECT
POWER BEFORE INSTALLATION.
Table of Contents
1.0 Parts List for 68-HP Floor Box
2.0 Required Parts to Activate Floor Box
3.0 Concrete Depth Chart
4.0 Installation before Concrete Pour
5.0 Installation after Concrete Pour
1.0 Parts List for 68-HP Floor Box
A - Floor Box Body (Qty. 1)
B - 3/4” x 1” PVC Conduit Reducer / Plug (Qty 2)
C - 1-1/4” x 1-1/2” PVC Conduit Reducer Bushing
(Qty. 2)
D - Concrete Cap (Qty. 1)
D
CAUTION
Floor Box should be installed by a qualied
electrician in accordance with national and local
electrical codes.
CAUTION
Prior to cementing, verify PVC cement / solvent is
not beyond expiration date.
2.0 Required Parts to Activate Floor Box
1. These instructions apply to installation of the 68-HP
oor box only. To activate the box a mounting kit
and cover must be ordered separately.
2. For Flush Power and Data order:
2A. 68-HP-FC-XXX Flush Cover
2B. 68-HP-FMK Flush Mounting Kit
See Figure 2
3. For Furniture Feed order:
3A. 68-HP-FFC-XXX Furniture Feed Cover
3B. 68-HP-FFMK Funiture Feed Mounting Kit
See Figure 3
2A 3A
C
A
2B
3B
C
B
Mounting /Fastening Holes
B
68-HP 68-HP
FIGURE 1 68-HP Box Parts FIGURE 2 FIGURE 3
TA04580 A Page 1 of 2
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3.0 Concrete Depth Chart
MINIMUM CONCRETE DEPTH
Catalog
Number
Minimum Floor
Box Depth in
Concrete
68-HP-FMK 4 inches 6 inches
68-HP-FFMK 3-1/2 inches 6 inches
(Installed before pour)
Concrete Cap
Maximium Floor
Box Depth in
Concrete
Minimum
concrete depth
(see chart above)
3. Connect Conduit to Box:
Use 1” box hubs for power and 1-1/2” box hubs
for data.
When required, use furnished reducer bushings (B)
and/or (C) in Figure 1, page 1 or purchase additional
sized reducers/plugs as needed.
Cement reducers and non-metallic tubing into box
hubs, plug unused hubs with appropriate reducer/
plugs. Reducer/plug (B) punch or drill out if needed
for pass-through (See Figure 5)
(See PVC cement/solvent Caution Note on Page 1)
Carefully punch out
or drill out center to
open wire access
6 inches Maximum concrete depth
FIGURE 4 Concrete Depth
4.0 Installation BEFORE Pouring Concrete
1. On Grade Installation:
Level and fasten the box to the form set.
Do not cut top of box. Top of the box should
protrude above or be level to the top of the nished
concrete surface. See concrete chart (see Section
3.0) for minimum box depth details.
2. In Fire Rated Floor Installation:
Level and fasten the box to the form set.
Do not cut top of box. Top of the box should
protrude above or be level to the top of the nished
concrete surface. See concrete chart (see Section
3.0) for minimum box depth details.
CAUTION
Provide adequate concrete thickness under box
to preserve the re rating of the oor in
accordance with national and/or local
building codes.
Remove
Center
FIGURE 5 Cutting Opening in Reducer/Plug
5.0 Installation AFTER Pouring Concrete
1. Leave oor box and concrete cap in place in
concrete until concrete hardens. The box will have
to be activated prior to power connection.
2. After concrete hardens, the oor box will need to
be activated with a 68-HP-FMK Mounting Kit and
68-HP-FC-XXX Cover. (Flush Service) or 68-HPFFMK Mounting Kit and 68-HP-FCC-XXX Cover
(Furniture Feed)
The instructions for activation are included with
each mounting kit and cover.
WARRANTY: Thomas & Betts sells this product with the understanding that the user will perform all necessary tests to determine the suitability of this product for the
user’s intended application. Thomas & Betts warrants that this product will be free from defects in materials and workmanship for a period of ninety (90) days following
the date of purchase. Upon prompt notification of any warranted defect, Thomas & Betts will, at its option, repair or replace the defective product or refund the purchase
price. Proof of purchase is required. Misuse or unauthorized modification of the product voids all warranties.
Limitations and Exclusions: THE ABOVE WARRANTY IS THE SOLE WARRANTY CONCERNING THIS PRODUCT, AND IS IN LIEU OF ALL OTHER WARRANTIES
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, WHICH
ARE SPECIFICALLY DISCLAIMED. LIABILITY FOR BREACH OF THE ABOVE WARRANTY IS LIMITED TO COST OF REPAIR OR REPLACEMENT OF THE PRODUCT,
AND UNDER NO CIRCUMSTANCES WILL THOMAS & BETTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIA
Thomas & Betts Corporation
Memphis, Tennessee
TA04580 A Page 2 of 2
www.tnb.com
© 2010 Thomas & Betts. All Rights Reserved.
L DAMAGES.
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