Legrand 880MPFC User Manual

Page 2

Step 5 SECURE CONCRETE

COVER & POUR
Insert body spacer and concrete
cover in box. Do not remove
intumescent pads. Pour concrete
to requires height.

Concrete Cover

Body Spacer

Intumescent Pads –
Do not Remove

Step 6 CUT BOX TO

REQUIRED HEIGHT
After concrete has cured, saw off
the remainder of the box at floor
level using a wood saw. If the final
floor covering is a thick carpet,
leave enough of the box
protruding above the floor
to compensate.

Step 7 CUT CARPET OR FLOOR

COVERING AROUND BOX
After upper section of box is
removed, cut the carpet or floor
covering as indicated.

5 3/8"

[137mm]

4 3/8"

[111mm]

Wiremold / Legrand
U.S. and International:
60 Woodlawn Street • West Hartford, CT 06110
1-800-621-0049 • FAX 860-232-2062 • Outside U.S.: 860-233-6251
Canada:
570 Applewood Crescent • Vaughan, Ontario L4K 4B4
1-800-723-5175 • FAX 905-738-9721

1 007 421 0708

Type 880MPFC outlet boxes for use with 1-, 11/2- or
2-hour rated unprotected reinforced concrete floors, floors
employing unprotected steel floor units and concrete toppings
(D900 Series Designs) or concrete floors with suspended
ceilings. (Fire resistive designs with suspended ceilings should
have provisions for accessibility in the ceiling area below the
outlet boxes.)

The assembled outlet boxes will not reduce the ratings of the
floor assembly when the thickness and type of concrete
(required for specific ratings) are within the specified limits
and the fittings are installed as specified.

1. Concrete – Minimum thickness of structural concrete

topping of 3 1/4" [83mm] on steel deck. Unit weight of
concrete to be 100 to 155 pcf.

2. Installation – Mounted on 2" or 3" [51mm or 76mm] deck.

For use with up to (4) 12 AWG Type THHN power
conductors or (48) 23 AWG tele/data conductors.

Outlet Boxes and Fittings Classified for Fire Resistance Wiremold/ Legrand (R8209)

Step 8 ACTIVATION

CAUTION: Wiring capacity is reduced by 9.0 cu.in. than stated by graduations

on box due to intumescent pads.

COVER PLATES

Adapter Carpet

Duplex

GFCI

Round

Tile Flange

Dual

Rectangular

Twist

Flip Lid

Lock

Brass

817B

828R

828DPGFITC

828GFITC

828DLR

Aluminum

818TCAL

828R-TCAL

828DPGFITCAL

828GFITCAL

828DLRAL

Nonmetallic

880MPA

880MPFC

880MPFC: Complete activation following instructions provided with Adapter

(Cat. No. 880MPA), flange and cover plate. See list below for available options.