The 2026 Lumen Exhibition is on April 15 & 16! Conferences and Seminars are FREE! Register here

Lumen Exhibition
Suppliers
Catalogs
Create or edit a PRO account
EN
FR

Branches

Promotions

Products

Suppliers
- A-G
  - 3M
  - ABB
  - Acuity Brands
  - Appleton
  - Brady
  - Convectair
  - Delta
  - FLO
  - Fluke
  - Genlyte Solutions by Signify
- H-M
  - Greenlee
  - Hubbell
  - Innovair Solutions
  - IPEX
  - Klein Tools
  - LAPP
  - Leviton
  - Liteline
  - Lutron
  - Mersen
- M-S
  - Milwaukee
  - Nexans
  - Northern Cables
  - nVent Hoffman
  - PTI Cables
  - Rockwell Automation
  - RVE
  - Siemens
  - Southwire
  - Stanpro
- S-Z
Expertises
- Services
- Solutions
About Us
Careers
News
Get in touch
Lumen Exhibition
Suppliers
Catalogs
Create or edit a PRO account
Branches
Promotions

Home
enclosures & boxes
box hardware & accessories
Knockout Plug/Seals

Feedback

Knockout Plug/Seals

Display

In stock at Lumen

Manufacturers

ABB 7 ARLINGTON 3 EGS 1 HOFFMAN 32 HUBBELL 1 IPEX 2 MOLEX 1 RAB DESIGN 3 RACK-A-TIERS 7

Brand Name

nVent Hoffman 25 Rack-A-Tiers 6 Hoffman 7 ABB 3 Arlington 3 Rab Design Lighting 3 Thomas & Betts 3 O-Z/Gedney 1 Ipex 2 Hubbell Wiring Device Kellems 1

Woodhead 1

Material

Steel 19 Plastic 11 Stainless Steel 11 Zinc 4 Die-Cast Zinc 2 Malleable Iron 1 PVC 2 Die Cast Zinc 1 Non-Metallic 1 Polycarbonate 1

Rubber Housing, Nickel Plated Brass Chain 1

Sub Brand

Hol-Tite®, Hol-Sealers™ 26 Rack-A-Tiers 6 Red Dot® 6 Hol-Sealers™ 6 RAB Design Lighting 2 Scepter® 2 Super-Safeway 1 Twist-Lock® 1

Item Name

Hole Seal 25 Knockout Filler 5 Closure Plug 4 Knockout Seal 3 Hole Plug 2 Type PLG Internal Recessed Threaded Insert Plug 1 Knockout Plug 3 Close Up Plug 1 Close-Up Plug 1 Inlet Closure Plug 1

Outlet Box Plug 1

Finish

Polished 11 Coated 5 Powder Coat 8 Textured 2 Zinc Electroplated 1 Bronze 1 Galvanized 1 Plastic 1

Color

Grey 6 Silver 4 White 2 Light Gray 7 Gray 6 Black 4

Connection Size

1/2 in 4 3/4 in 4 1 in 5 1-1/2 in 2 0.75 in 1 1-1/4 in 1 2 in 1 0.5 in 1

Connection Type

Snap-in 3 Threaded 3 Threaded NPT 1

Sort by
Relevance Product title (ascending) Product title (descending)

57 Products

Page of 3

Check all

HOFAS050

HOFFMAN AS050 Hol-Tite®, Hol-Sealers™ Hole Seal for 1/2 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS050

Inventory

In Stock

Price $20.44 / EA

Quantity EA

HOFAS300

HOFFMAN AS300 Hol-Tite®, Hol-Sealers™ Hole Seal for 3 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS300

Inventory

In Stock

Price $80.87 / EA

Quantity EA

HOFAS200

HOFFMAN AS200 Hol-Tite®, Hol-Sealers™ Hole Seal for 2 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS200

Inventory

In Stock

Price $48.18 / EA

Quantity EA

HOFAS050SS

HOFFMAN AS050SS Hol-Tite®, Hol-Sealers™ Hole Seal Stainless Steel

Manufacturer:HOFFMAN

Manufacturer #:AS050SS

Inventory

In Stock

Price $52.55 / EA

Quantity EA

REDPLG1RD

ABB PLG-1-RD Red Dot® Closure Plug 1/2 in Zinc

Manufacturer:ABB

Manufacturer #:PLG-1-RD

Inventory

In Stock

Price $1.2828 / EA

Quantity EA

HOFAS100

HOFFMAN AS100 Hol-Tite®, Hol-Sealers™ Hole Seal for 1 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS100

Inventory

In Stock

Price $35.08 / EA

Quantity EA

HOFAS075

HOFFMAN AS075 Hol-Tite®, Hol-Sealers™ Hole Seal for 3/4 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS075

Inventory

In Stock

Price $25.36 / EA

Quantity EA

HOFAS075SS

HOFFMAN AS075SS Hol-Tite®, Hol-Sealers™ Hole Seal Stainless Steel

Manufacturer:HOFFMAN

Manufacturer #:AS075SS

Inventory

In Stock

Price $66.81 / EA

Quantity EA

REDPLG2RD

ABB PLG-2-RD Red Dot® Closure Plug 3/4 in Zinc

Manufacturer:ABB

Manufacturer #:PLG-2-RD

Inventory

In Stock

Price $1.8933 / EA

Quantity EA

RACKOK50

RACK-A-TIERS KOK50 Knockout Filler 1-1/2 in Plastic

Manufacturer:RACK-A-TIERS

Manufacturer #:KOK50

Inventory

In Stock

Price $23.49 / PK

Not Returnable

Quantity PK

APPPLG125R

EGS PLG125R 1-1/4 IN CLOSE-UP PLUG

Manufacturer:EGS

Manufacturer #:PLG125R

Inventory

In Stock

PRO Account only. Call your branch

View details

HOFAS125SS

HOFFMAN AS125SS Hol-Tite®, Hol-Sealers™ Hole Seal Stainless Steel

Manufacturer:HOFFMAN

Manufacturer #:AS125SS

Inventory

In Stock

Price $111.25 / EA

Quantity EA

RACKOK100

RACK-A-TIERS KOK100 Knockout Filler 1 in Plastic

Manufacturer:RACK-A-TIERS

Manufacturer #:KOK100

Inventory

Available for backorder

Price $19.99 / PK

Not Returnable

Quantity PK

ARLNM900

ARLINGTON NM900 Knockout Seal 1/2 in Snap-in Plastic

Manufacturer:ARLINGTON

Manufacturer #:NM900

Inventory

In Stock

Price $0.3716 / EA

Quantity EA

HOFAS125

HOFFMAN AS125 Hol-Tite®, Hol-Sealers™ Hole Seal for 1-1/4 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS125

Inventory

In Stock

Price $39.74 / EA

Quantity EA

HOFAS150LG

HOFFMAN AS150LG Hol-Sealers™ Hole Seal Steel

Manufacturer:HOFFMAN

Manufacturer #:AS150LG

Inventory

Available for backorder

Price $65.0400 / EA

Not Returnable

Quantity EA sold in multiples of 10

HOFAS150

HOFFMAN AS150 Hol-Tite®, Hol-Sealers™ Hole Seal for 1-1/2 in Conduit Holes Galvanized

Manufacturer:HOFFMAN

Manufacturer #:AS150

Inventory

In Stock

Price $45.55 / EA

Quantity EA

HOFAS400SS

HOFFMAN AS400SS 4 INCH HOLE SEAL

Manufacturer:HOFFMAN

Manufacturer #:AS400SS

Inventory

Available for backorder

Price $395.30 / EA

Not Returnable

Quantity EA

RABR11Z

RAB DESIGN 094399 Hole Plug 3/4 in Threaded Die-Cast Zinc

Manufacturer:RAB DESIGN

Manufacturer #:094399

Inventory

In Stock

Price $1.60 / EA

Quantity EA

RACKOK999

RACK-A-TIERS KOK999 Knockout Filler Plastic

Manufacturer:RACK-A-TIERS

Manufacturer #:KOK999

Inventory

Available for backorder

Price $32.49 / PK

Not Returnable

Quantity PK

RACKOK75

RACK-A-TIERS KOK75 Knockout Filler Plastic

Manufacturer:RACK-A-TIERS

Manufacturer #:KOK75

Inventory

Available for backorder

Price $30.49 / PK

Not Returnable

Quantity PK

REDS603WHER

ABB S603WHE-R Plug close-up metallic white 1/2"

Manufacturer:ABB

Manufacturer #:S603WHE-R

Inventory

Available for backorder

Price $8.1632 / EA

Not Returnable

Quantity EA sold in multiples of 25

HOFAS100SS

HOFFMAN AS100SS Hol-Tite®, Hol-Sealers™ Hole Seal Stainless Steel

Manufacturer:HOFFMAN

Manufacturer #:AS100SS

Inventory

In Stock

Price $89.50 / EA

Quantity EA

HOFASPB100125NM

HOFFMAN ASPB100125NM Conduit hole seal polyester grey 2.2x1.2x0.12in

Manufacturer:HOFFMAN

Manufacturer #:ASPB100125NM

Inventory

Available for backorder

Price $80.58 / EA

Not Returnable

Quantity EA

Page of 3

Emergency Service

1 800-363-0303 after business

hours (applicable fees)

Rockwell Automation

Authorized distributor

Quebec only

Fast delivery

Everywhere in Canada

Air Miles

Earn reward miles on

your purchases

Lumen
Services
Solutions

Lumen Head Office

4655, Autoroute 440 O.
Laval, QC, H7P 5P9

Phone : 450 688-9249

Toll free : 1 800 599-9249

Fax : 450 686-1444

Emergency service : 1 800 363-0303 (After business hours - 5:00 PM and 7:00 AM, Applicable fees)

Made in Canada with domestic and imported parts

Newsletter Sign Up

Get up-to-date information on what Lumen offers.

Cookie Preferences

Check availability at nearby branches