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BRIDGEPORT 1/2 in Steel Knockout Plug - Knockout Plugs
BRIDGEPORTKnockout Plugs

BRIDGEPORT 1/2 in Steel Knockout Plug

The BRIDGEPORT Knockout Plug (MPN 1691) is a steel knockout hole plug designed for 1/2 in conduit size. It is intended for use with electrical boxes and enclosures, and comes in a silver finish.

SKU 3G-OTH-06952

Brand
BRIDGEPORT
Item
1/2 in Steel Knockout Plug
Category
Knockout Plugs
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BRIDGEPORT
Manufacturer Part Number
1691
Type
Steel, Silver, Electrical Boxes and Enclosures
Material
Steel
Color
Silver
Accessory Type
Knockout Hole Plug
For Conduit Size
1/2 in
For Product Type
Electrical Boxes and Enclosures

Technical Documents

No technical documents available for this product.
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BRIDGEPORT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BRIDGEPORT Knockout Plug (MPN 1691) is a steel knockout hole plug designed for 1/2 in conduit size. It is intended for use with electrical boxes and enclosures, and comes in a silver finish.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a BRIDGEPORT knockout plug used for?

A BRIDGEPORT knockout plug seals unused openings in electrical boxes and enclosures. It prevents debris ingress and maintains enclosure integrity. This steel plug fits 1/2 in conduit knockouts and is suitable for industrial electrical installations.

What are the specifications of the BRIDGEPORT 1691 knockout plug?

The BRIDGEPORT 1691 is a steel knockout hole plug for 1/2 in conduit size. It is silver in color and designed for electrical boxes and enclosures. The material is steel, providing durability in industrial environments.

Where to buy BRIDGEPORT knockout plugs worldwide?

3G Electric supplies BRIDGEPORT knockout plugs worldwide. We handle full logistics and customs clearance for global delivery. Contact us to source this 1/2 in steel plug for your electrical enclosure needs.

How to install a BRIDGEPORT knockout plug?

To install a BRIDGEPORT knockout plug, press it firmly into the 1/2 in knockout hole of the electrical enclosure until it snaps into place. Ensure the plug is fully seated to maintain a secure seal. No tools are typically required for installation.

Used in

Common applications for BRIDGEPORT
Industrial electrical panel installation — Bridgeport grounding bushings (MPN 382-DC) for bonding conduit to enclosures
Commercial conduit support — Bridgeport one-hole pipe straps (MPN 920-S) for securing EMT runs to walls
Cable management in machinery — Bridgeport squeeze connectors (MPN 801-DC2) for terminating AC/MC cable at junction boxes
Conduit system assembly — Bridgeport steel locknuts (MPN 106-S) for fastening RMC to threaded hubs
Retrofit wiring in buildings — Bridgeport insulating bushings (MPN 382-DC) to protect wire insulation at conduit ends

BRIDGEPORT Products

3G Electric supplies BRIDGEPORT knockout plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This steel reducing washer adapts a 1 in conduit opening to 3/4 in for use with electrical boxes and enclosures. It has a silver finish and an overall width of 1.75 in. Suitable for reducing knockout sizes when connecting conduit
BRIDGEPORT
This steel reducing washer adapts a 1 in conduit opening to 3/4 in for use with electrical boxes and enclosures. It has a silver finish and an overall width of 1.75 in. Suitable for reducing knockout sizes when connecting conduit
This conduit nipple is used to connect two electrical enclosures or a conduit to a box. It features a 1/2-inch male NPSM thread and an unfinished zinc finish. Complies with UL-514B standards
BRIDGEPORT
This conduit nipple is used to connect two electrical enclosures or a conduit to a box. It features a 1/2-inch male NPSM thread and an unfinished zinc finish. Complies with UL-514B standards
This steel locknut is used to secure rigid threaded conduit (RMC/IMC) to boxes, enclosures, or other fittings. It provides a non-insulated mechanical connection for conduit systems in electrical installations
BRIDGEPORT
This steel locknut is used to secure rigid threaded conduit (RMC/IMC) to boxes, enclosures, or other fittings. It provides a non-insulated mechanical connection for conduit systems in electrical installations
Steel locknut for securing rigid threaded conduit (RMC/IMC) to boxes, enclosures, or fittings. Non-insulated design provides a mechanical connection in conduit systems. Suitable for industrial electrical installations where conduit must resist vibration or load
BRIDGEPORT
Steel locknut for securing rigid threaded conduit (RMC/IMC) to boxes, enclosures, or fittings. Non-insulated design provides a mechanical connection in conduit systems. Suitable for industrial electrical installations where conduit must resist vibration or load
This steel locknut is used to secure rigid threaded conduit (RMC/IMC) to boxes, enclosures, or fittings. It provides a mechanical lock to prevent loosening from vibration or movement. Non-insulated, suitable for grounding applications
BRIDGEPORT
This steel locknut is used to secure rigid threaded conduit (RMC/IMC) to boxes, enclosures, or fittings. It provides a mechanical lock to prevent loosening from vibration or movement. Non-insulated, suitable for grounding applications
This conduit nipple is used to connect two electrical enclosures or a conduit to a box. It features 3/4 in trade size male NPSM threads and an unfinished zinc finish. Complies with UL-514B standards
BRIDGEPORT
This conduit nipple is used to connect two electrical enclosures or a conduit to a box. It features 3/4 in trade size male NPSM threads and an unfinished zinc finish. Complies with UL-514B standards

More from BRIDGEPORT

View all BRIDGEPORT parts →
This steel knockout plug seals unused conduit openings in electrical boxes and enclosures. It fits 3/4 in conduit knockouts and features a silver finish. The plug prevents debris and moisture ingress, maintaining enclosure integrity
BRIDGEPORT
This steel knockout plug seals unused conduit openings in electrical boxes and enclosures. It fits 3/4 in conduit knockouts and features a silver finish. The plug prevents debris and moisture ingress, maintaining enclosure integrity