Legrand 291-H-BTC User Manual

Suitable for use in air handling spaces in accordance with Sec. 300-22 (C) of the National Electrical Code.

Step 1. Layout and locate position of hole(s). Step 2. Core drill hole.

CAUTION: Holes shall be spaced a minimum of 2' [610mm]

on center and not more than one hole per each
65 sq. ft. [6 sq. m] of floor area in each span.

NOTE: Be certain to drill hole at least 4" [102mm] from any wall

or pillar to leave enough room for poke-thru cover assembly.

Step 3. Carpet Option.

Remove section from carpet using disposable plate or template.

RC9FFS, RC9AFFTC, 291-H/BTC,
292-H/BTC, RC91GHBTC, RC92GHBTC,
and RC9CFFTC

INSTALLATION INSTRUCTIONS

Installation Instruction No.: 1 001 997 R2 – Updated July 2005

Wiremold Electrical Systems conform to and should be installed
and properly grounded in compliance with requirements of the
current National Electrical Code, Canadian Electrical Code or
codes administered by local authorities.

All electrical products may represent possible shock or fire
hazard if improperly installed or used. Wiremold electrical
products are UL listed. Made for interior use only and should be
installed in conformance with current local and/or the National
Electrical Code.

24" [610mm] Min
Center – Center

3" Diameter Core Drill

3 1/16" [78mm] Actual Diameter

RC91GHBTC, RC92GHBTC,
291-H/BTC, 292-H/BTC
Style Service Heads
(Carpet Only)

RC9AFFTC, RC9CFFTC
6 1/2" [165mm] Diameter
Cutout (Carpet Only)

Make Concentric with Intended Core Hole

IMPORTANT: Please read all instructions

before beginning.

Step 4. Tile Option.

For RC9CFFTC and RC9AFFTC, cut a clearance hole in tile floor
covering between 3 1/16" [78mm] and 4" [102mm] diameter.

NOTE: If installing poke-thru cover assembly over grout line on tile floor covering, apply a silicon bead to underside

of poke-thru flange or service head gasket.

Installing RC92GHBTC, RC91GHBTC, 291-H/BTC, and 292-H/BTC Style Service Heads:

Step 1. Install stem into core-drilled hole and then Step 2. Attach base to poke-thru stem using

remove disposable plate. Retain the four four #6-32 screws provided.
screws for use when installing service
head of choice.

CAUTION: Poke-thru stem cannot be rotated after insertion.

2

Cutout in Tile to be Between
3 1/16" [78mm] Min. Diameter
to 4" [102mm] Max. Diameter

Flange

RC91GHBTC, RC92GHBTC,
291-H/BTC, 292-H/BTC
Style Service Heads – Core
Drill a 3" Diameter Through
Both Tile and Concrete

3/4" [19.1mm]
Maximum
Tile Thickness

Factory Installed Gasket (Sets
on Top of Tile Floor Covering)

RC91GHBTC and 291-H/BTC

Carpet Covered Floor

Tile Covered Floor

RC92GHBTC and 292-H/BTC

Remove Disposable Plate

Push Down