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Carlon 4 Inch Square Raised Blue Non-Metallic Single Gang Electrical Box Cover
Professional non-metallic electrical box cover for reliable protection
The Carlon 4 Inch Square Raised Blue Non-Metallic Single Gang Electrical Box Cover delivers dependable protection for electrical connections in residential and commercial applications. This square-shaped cover features durable non-metallic construction in blue finish, designed for single gang configurations without knockouts for clean, professional installations.
Professional Features & Benefits
- 4 Inch Square Design: Provides standard coverage for square electrical boxes with precise fit and professional appearance
- Non-Metallic Construction: Offers corrosion resistance and electrical isolation for enhanced safety and longevity
- Blue Color Finish: Enables easy identification and color-coding in electrical systems for organized installations
- Single Gang Configuration: Accommodates single device mounting with proper spacing and alignment
- Raised Profile: Provides adequate clearance for connections and wiring while maintaining flush wall appearance
- Zero Knockouts: Delivers clean, uninterrupted surface for applications not requiring additional openings
Technical Specifications
- Brand Label: Carlon / Nutek
- Department: Electrical
- Effective Date: 20080116
- Idea Granular Category Code Igcc: 4425 >> Electrical box covers
- Number Of Knockouts: 0
- Product Color: Blue
- Product Material: Non-Metallic
- Product Name: PLASTIC OUTLET/SWITCH COVER
- Product Shape: Square
- Product Type: Outlet Box Covers
Professional Applications
- Residential Electrical Systems
- Commercial Building Installations
- Industrial Facility Wiring
- Institutional Electrical Projects
- Renovation and Retrofit Applications
- New Construction Electrical Work
Why Choose Carlon Quality?
Carlon electrical box covers provide reliable protection with durable non-metallic construction designed for professional electrical installations. The precision-engineered square design ensures proper fit and long-term performance in demanding electrical applications.
Manufacturer Resources
Product Specs
- Brand Label:
- Carlon / Nutek
- Department:
- Electrical
- Effective Date:
- 20080116
- Idea Granular Category Code Igcc:
- 4425 >> Electrical box covers
- Number Of Knockouts:
- 0
- Product Color:
- Blue
- Product Material:
- Non-Metallic
- Product Name:
- PLASTIC OUTLET/SWITCH COVER
- Product Shape:
- Square
- Product Type:
- Outlet Box Covers
- Product Group:
- Boxes & Enclosures
- Product Subgroup:
- Box Covers
Carlon A410 – Frequently Asked Questions
1) Will a Carlon single gang raised cover fit a standard 4 inch square electrical box?
Yes. The Carlon cover is a 4 inch square raised plaster ring style cover that mounts to a 4 inch square outlet box and reduces the opening down to one device. The raised profile gives clearance for the wiring and device connections inside the box while the device face sits out at the wall surface.
2) What is the difference between the Carlon A410, A413 and A414 box covers?
They are the same blue non-metallic single gang raised cover in three trade sizes: A410 is the 1/2 inch, A413 the 1 inch, and A414 the 1-1/4 inch. The trade size is the only thing that changes between them, so pick the one that matches the raise depth your box and finished wall need.
3) Is a non-metallic box cover OK to use, or do I need a metal one for grounding?
The Carlon cover is non-metallic, so it carries no bonding path and none is needed for the cover itself. That works in your favor on damp or corrosive installs, since plastic will not rust and keeps the device electrically isolated from the ring. Where your inspector wants the plaster ring to be part of the equipment grounding path on a metal raceway system, use a steel ring instead.
4) Can I run conduit into this Carlon square box cover, or does it have knockouts?
No knockouts. The Carlon square cover has zero knockouts, so it gives an uninterrupted surface and every conduit or cable entry has to come through the knockouts in the box itself, not the cover. If you were counting on a top entry through the ring, plan the box side or back entries instead.
5) Can I use this cover to mount two devices on a 4 inch square box?
No. This Carlon ring is single gang, so it takes one device only, a receptacle, switch, or dimmer. For two devices on the same 4 inch square box you need a two gang raised cover instead of this one.
6) Why is this Carlon outlet box cover blue, and does the color matter once the wall is finished?
Blue is the standard color for non-metallic residential and light commercial device boxes and rings, and it makes the plastic easy to pick out during rough-in and inspection. It has no effect on the finished wall: the wallplate and device cover the ring once trim goes on, so the blue is only visible until the wall closes up.
7) Is a blue plastic single gang ring like this suitable for a commercial or institutional job, or is it residential only?
Carlon lists this square non-metallic cover for residential, commercial, industrial, and institutional work, along with renovation and new construction. The practical limit is the system it lands on: it suits non-metallic boxes and cable wiring. Metal raceway installs that rely on the ring for continuity should get a steel ring.
How fast can I get the Carlon A410 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Carlon A410 come with a warranty?
Absolutely. The Carlon A410 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Carlon A410?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
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Our team is always ready to help you choose the right product for your project.