Legrand WKD Pro Series Modular Afterset User Manual

®

Walkerduct Pro Series

Wiremold/Legrand 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. Wiremold/Legrand
electrical products may bear the mark as UL Listed and/or

lassified and should be installed in conformance with current

C
local and/or the National Electrical Code.

Modular Afterset

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.: 1 000 494 R2 – Updated May 2009

I

Products Covered: 4210, 4215, 4220, 4225, 4230, 4235, and 4240

AFTERPOUR INSTALLATION:

Step 1. Locate the center line of the raceway by either

using the markers at the ends of the raceway, or
using two existing fittings in the raceway.

Center Marker

No. 4 Duct

No. 2 Duct

IMPORTANT: Please read all instructions

before beginning.

Step 2. Core drill a 6 1/2" or 7" [165mm or 178mm]

diameter hole in concrete.

CAUTION: Do not cut into the duct.

Step 3. Loosen and remove concrete slug. Step 4. For two- and three-gang: Core drill another 6 1/2" or 7"

[165mm or 178mm] diameter hole over duct keeping
holes at 4 1/8" [105mm] on center. Loosen and remove
slug after coring is complete.

Step 5. Using a 2 1/2" [64mm] diameter hole saw, drill

opening in center of duct. For two- or three-gang,
use template for proper center locations.

NOTE: Holes in No. 4 duct will not be located in

center of duct. Center of holes must be
4 1/8" [105mm] apart.

1/2" [64mm]

2

iameter Hole

D

Step 6. Attach afterset to the duct system by tightening

locking tabs. Secure aftersets together with alignment
clip (two- or three-gang only).

lignment Clip

A

Step 7. Install mudcaps and fill space around afterset and

mudcaps with grout. using trowel, create level,
smooth surface.

Step 9. Remove mudcaps and replace carpet. Using the

afterset as a guide, cut a rectangular opening in the
carpet. Attach desired service fitting.

Step 8. Break out mudcaps after grout has set.

ALTERNATIVE AFTERPOUR INSTALLATION:

Step 1. Locate the center line of the raceway by either

sing the markers at the ends of the raceway, or

u
using two existing fittings in the raceway.

Center Marker

o. 4 Duct

N

No. 2 Duct

Step 3. Loosen and remove concrete slugs.

Step 2. Mark concrete with cutting lines based on single-,

double-, or triple-gang afterset to be installed. Opening
should be approximately 1/2" [12.7mm] wider than the
afterset on all sides. Drill a 2 1/2" [64mm] diameter hole
over the center of the duct to determine depth of
concrete if depth is not known. Set saw to depth of

oncrete and cut opening for the afterset.

c

Step 4. Using a 2 1/2" [64mm] diameter hole saw, drill opening

in center of duct. For two- and three-gang, use template
for proper center locations.

NOTE: Holes in No. 4 duct will not be located in

center of duct. Center of holes must be
4 1/8" [105mm] apart.

Step 5. Complete installation by following Steps 6-9 on page 2.