Legrand RFB User Manual

Legrand/Wiremold electrical systems conform to and should be properly
grounded in compliance with requirements of the current National
Electrical Code or codes administered by local authorities.

All electrical products may present a possible shock or fire
hazard if improperly installed or used. Legrand/Wiremold electrical
products may bear the mark as UL Listed and/or Classified and
should be installed in conformance with current local and/or the
National Electrical Code.

RFB Series Floor Boxes

I N S T A L L A T I O N I N S T R U C T I O N S

nstallation Instruction No.: 1 007 256R2 – Updated January 2012

I

PRODUCTS: Floor Box Cat. Nos.: RFB4E, RFB4E-OG, RFB6, RFB6-OG, RFB6E, RFB6E-OG

Device Plate Cat. Nos.: RFB6B, RFB6DP, RFB6GFI, RFB6S1, RFB6S2, RFB6RT, RFB6EXT,
RFB62A, RFB6-AAP

Furniture Feed Kit Cat. Nos.: RFB4KIT, RFB6KIT
Bare Concrete & Terrazzo Ring Cat. Nos.: RFB4E-CTR, RFB6E-CTR

RFB Series Floor Boxes and Activations are UL Listed for use with tile, terrazzo and carpet covered concrete floors.
RFB6 and RFB6-OG Floor Boxes and Activations are also UL Listed for use with floors of wood construction.

BEFORE CONCRETE POUR:

Step 1. Determine box location and conduit layout.

Step 2. Take off box top by removing two (2) #8-32 screws

Step 3. Remove necessary knockouts. Attach conduit and

attaching cover to base.

fittings (not supplied by Wiremold) to steel base.

IMPORTANT: Please read all instructions

before beginning.

(2) #8-32 Screws

Remove KOs & attach
Fittings and Conduit

Step 4. Configure adjacent compartments.

RFB4E – Remove and discard
Barrier for pass through

Replace #8 Screw after
removing Barrier

RFB4E Series Boxes are configured with solid removable
partitions that can be discarded for wire pass through.
Replace #8 screw back into base after barrier removal.

Step 5. Re-attach box cover to base with two (2) #8-32 screws

removed during Step 2.

RFB6 & RFB6E – Remove Plug and replace
with Bushing as required for pass through

RFB6 and RFB6E Series Boxes are configured with
non-removable partitions containing pre-installed
plugs. Depending on wiring configuration, plugs may
be replaced with included bushings for wire pass
through. This may be done pre- or post-pour.

CONCRETE POUR:

Step 6. Level box, adjust to required height, and secure in place.

/16"

1
2mm]

[

1/4"

3
83mm]

[

RFB6 Series – Insert the rectangular mudcap in plastic
collar. Pour concrete 1/16” above top edge of plastic collar.

WARNING: Pours of 1/4” (6 mm) or more over box housing will

ake it difficult to break out the mud cap and cause

m
excessive concrete spalling.

djust RFB6 1/16" [2mm]

A

elow screed line

b

(RFB4E & RFB6E Series) Pour concrete flush with top of
steel cover plate.

Step 7. RFB4E & RFB6E Series with Finished Concrete Floor

Attach Terrazzo / Bare Concrete Kit Cat. No.
RFB4E-CTR or RFB6E-CTR to floor box prior
to concrete pour. Remove and discard steel
cover plate. Attach round edge barrier to
plastic collar on box using four (4) #8 flat head
screws. Insert round plastic cover plate into
edge barrier and attach with remaining two (2)
#8 flat head screws. Screed concrete level
with top of edge barrier.
The edge barrier will remain in place and the
round plastic cover plate will be discarded
during cover installation.

NOTE: Cat. No. RFB4E-CTR, Terrazzo/Bare

Concrete Kit. is intended for use with cover
Cat. No. 6CT. This kit will not work with
Furniture Feed Cover, Cat. No. 6CFFTC.

Cat. No. RFB6E-CTR, Terrazzo/Bare
Concrete Kit is intended for use with Cat.
No. 8CT.

Plastic Cover Plate

traight Through Hole – align with

S
isolated hole on plastic collar

ountersink hole – align with

C
hole adjacent to collar ear

Edge Barrier

Plastic Collar

Screw hole adjacent to
plastic collar ear

Align four (4) countersink holes in edge barrier with four
(4) holes adjacent to plastic collar ears and mount with
four (4) #8 screws.

AFTER CONCRETE POUR:

Step 8. RFB4E & RFB6E Series with Terrazzo over Concrete Floor (If needed)

Remove the flat steel plate and replace with the
Terrazzo / Bare Concrete Kit Cat. No. RFB4E
CTR or RFB6E-CTR as shown in Step 7. Pour
terrazzo flush with top of the edge barrier.

2

Terrazzo over-pour

Edge Barrier

Concrete

Step 9. Remove mud cap from box and clean out any

debris from inside of box.

RFB6 Mud Cap Removal

hip out concrete and

C

ift out Mud Cap

l

RFB6 Series – Chip away concrete located in mud cap and
remove. If concrete does not break cleanly around preset,

RFB4E & RFB6E Mud Cap Removal

RFB4E & RFB6E Series – Remove the two (2) #8 screws

securing the stell plate mud cap.
the activation might not be properly supported. The
concrete edges around the top opening of the installed
box must be smooth and level for the proper fit of the
FloorPort Activations.

Step 10. Wire devices (not supplied by Wiremold) in accordance to the NEC and any local codes. Mount

devices to device plates as shown. Lower device plate into floor box and slide back into position.
Secure device plate to floor box base with two (2) #8-32 mounting screws pre-installed in base of box.

emove two (2) #8 Screws

R
securing the steel plate

ud Cap

M

Secure the receptacle to the receptacle device plate with
two (2) screws and nuts. Attach the receptacle device
plate(s) to the base with the two (2) #8-32 mounting
screws provided.

Step 11. (RFB6 only for use with FloorPortTMSeries

Activations) Attach cover mounting hardware
provided in hardware bag supplied with floor box.
Thread #10-24 x 2 in. hex standoff onto stud
projecting upward from floor box base. Insert two
(2) threaded adjusting screws into standoffs and
place link strap over head of threaded adjusting
screws. Secure link strap to threaded adjusting
screws with two (2) #8-32 x 3/16 in. screws.
Complete installation of cover following directions
provided with FloorPort

TM

Series Activation

Instruction Sheet 1008150.

Insulator placed between
GFI and Device Plate

NOTE: Use insulator as shown with Cat. No. RFB6GFI.

#10-24 Threaded
Adjusting Screw

#10-24 x 2"
hex standoff

#10-24 x 2"
Stud

3

#8-32 x 3/16"

Link Strap

Step 12. RFB6KIT Furniture Feed Barrier Kit for use with FloorPort

FPFF Furniture Feed Series Activations on RFB6 floor box.

TM

Step 12A. Insert lower barrier into floor box and fasten with

two (2) #8-32 x 3/16 screws removed from base.

2) #8 Mounting Screws

(

from base)

(

RFB6KIT lower

artition

P

Step 12C. Complete installation following directions provided

with FloorPort

™

FPFF Furniture Feed Cover.

Step 12B. Attach upper barrier to FloorPort™ FPFF Furniture

Feed Cover Flange with two (2) #8-32 screws.
Secure ground wire to underside of flange.

RFB6KIT upper

artition

P

Attach ground wire

ith ground Screw

w

2) #8-32 flat

(
head Screws

4

Step 13. RFB4KIT Furniture Feed Barrier Kit for use with Evolution

6CFFTC Furniture Feed Activation on RFB4E floor box.

tep 13A. Insert lower barrier into floor box and fasten with

S

two (2) #8-32 x 3/16" screws removed from base.

NOTE: Power feed compartment is only supplied along

the side perpendicular to the top plate hold
down screw.

FB4KIT Lower Partition

R

wo (2) #8-32 mounting

T
Screws (from base)

ower Feed Compartment

P

op Plate Hold Down

T

Step 13C. Complete installation following directions provided

with Evolution 6CFFTC Furniture Feed Activation.

Step 13B. Attach upper barrier to 6CFFTC Furniture Feed

Cover Flange with two (2) #8-32 screws. Secure
ground wire to underside of flange.

RFB4KIT Upper Partition

wo (2) #8-32 Screws

T

ttach ground wire with

A
ground Screw

5

Step 14. RFB6 Floor Box used in wood floors.

Determine box location and orientation. Cut a
6" [152 mm] x 7 1/4" [184 mm] opening in
wood floor centered over desired location.

4) sheet metal screws

(
(not included)

Align plastic trim ring on top of box with opening
in floor, and secure box to underside of floor
with four (4) #8 or four (4) #10 pan head sheet
metal screws, (not supplied by Wiremold),
through the four (4) holes provided in cover.

ut a 6" [152mm] x 7 1/4"

C
[184mm] opening in wood floor

4) tab on each

(

orner of upper plate

c

Continue installation following previous instructions. Complete procedure by installing a FloorPort
Series Activation (sold separately), using the installation instructions provided with that unit.

™

© Copyright 2009 Legrand/Wiremold All Rights Reserved

WIREMOLD

U.S. and International:

60 Woodlawn Street • West Hartford, CT 06110
1-800-621-0049 • FAX [phone] • Outside U.S.: 860-233-6251

Canada:

570 Applewood Crescent • Vaughan, Ontario L4K 4B4
1-800-723-5175 • FAX [phone]

1 007 256R2 0112