Sigma ProConnex 1-in Zinc-plated steel Knockout Seal Conduit Fittings
Item #108639 |
Model #49152
Closes unused knockouts in a steel outlet box or metal enclosure
For 1-in knockouts
Zinc-plated steel construction
General | |||
|---|---|---|---|
Series Name | Accessories | Package Quantity | 1 |
Sub Type | Knockout | Use Location | Indoor/Outdoor |
Type | Seal | Package Contents | 1 per bag |
Material | Zinc-plated steel | ||
Dimensions | |||
|---|---|---|---|
Height (Inches) | 0.34 | Trade Size in Inches | 1-in |
Length (Inches) | 1.41 | Width (Inches) | 1.48 |
Features | |||
|---|---|---|---|
Weather Resistant | No | Fire Resistant | No |
Weatherproof | No | Corrosion Resistant | Yes |
Rust Resistant | Yes | ||
Compatibility | |||
|---|---|---|---|
Electrical Metal Tubing Compatible | No | Liquid-tight Conduit Compatible | No |
Flexible Metal Conduit Compatible | No | Rigid Metal Conduit Compatible | No |
Galvanized Rigid Conduit Compatible | No | Schedule 40 PVC Compatible | No |
Intermediate Metal Conduit Compatible | No | Schedule 80 PVC Compatible | No |
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | Safety Listing | Not safety listed |
Warranty | |||
|---|---|---|---|
Warranty | None | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 39131700 | ||
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Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these plugs for reliable performance and snug fit in knockout openings. Most report they seal gaps effectively, preventing pests and dust while improving panel appearance. The rigid zinc-plated steel construction is frequently commended as durable and superior to cheaper alternatives. Installation is tool-free and quick, with plugs snapping securely into place. Many appreciate the flexibility to remove and replace them for future modifications. A few note sizing discrepancies or require significant leverage to install, but overall customers consider them an essential, code-compliant solution for electrical installations.
Customer review summary generated by AI, including incentivized reviews.I liked that it performed as expected
I liked that it performed as expected
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Easy to use
Durable
From 1-1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Easy to use
Durable
Verified Purchaser
Easy to install
Firmly fit
From 1_SLASH_2-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Works as needed
Fitted and easy to install
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
Easy!
The plug is easy to snap into place — like the knockout was never removed.
From 3_SLASH_4-in Zinc-plated steel Knockout Seal Conduit Fittings Verified Purchaser
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