Skip to content
  • Facebook
  • X (Twitter)
  • Instagram
  • YouTube
  • Pinterest
  • LinkedIn

Need Help? Call us at (323) 934-3744

Free shipping over $500 with code ZOOM

Take 3% off your first order when you subscribe

Login
  • Facebook
  • X (Twitter)
  • Instagram
  • YouTube
  • Pinterest
  • LinkedIn
Search
Sonic Electric
    • Cables and Wires

    • Conduit Bodies
      • Aluminum EMT Conduit Bodies Set-Screw Type

      • Aluminum Threaded Conduit Bodies

      • Aluminum Threaded Conduit Bodies With Die Cast Cover

      • Aluminum Threaded Conduit Bodies With Stamped Cover

      • Conduit Bodies Covers and Gaskets

      • Gray Iron Form 7 Threaded Conduit Bodies

      • Gray Iron Form 8 Threaded Conduit Bodies

      • Malleable Iron Threaded Conduit Bodies

      • Other Conduit Bodies

    • Electrical Box Covers and Rings
      • 3O Covers

      • 4O Covers

      • 4S Rings and Covers

      • 5S Rings and Covers

      • Concrete Covers

      • Cover Plates

      • Fire Alarm Box Covers

      • Handy Box Covers

      • Multigang Box Covers

      • Pre-Assembled Boxes

      • True 5 Covers

    • Electrical Fittings
      • Bushings, Washers and Locknuts

      • Cable & Cord Connectors

      • Cast Device Boxes and Covers

      • Combination Fittings

      • Conduit Bodies

      • Conduit Supports, Straps, Clamps & Hangers

      • Elbows, Nipples and Couplings

      • EMT Fittings

      • Flex AC/MC Fittings

      • Groundings

      • Insulated Splice Connectors

      • Liquid Tight Fittings and Conduit

      • Myers Hub

      • Rigid Fittings

      • Roof Jacks

      • Screw Kits

      • Service Heads

    • Electrical Junction Boxes
      • 3O Boxes

      • 4O Boxes

      • 4” (4S) Boxes

      • 4-11/16” (5S) Boxes

      • Concrete Boxes

      • Fan Support Boxes

      • Fire Alarm Boxes

      • Gangable Switch Boxes

      • Handy Boxes

      • Masonry Boxes

      • Multigang Boxes

      • Pancake Boxes

      • True 5 Boxes

    • Electrical Outlet Boxes
      • Adjustable Electrical Outlet Boxes

      • Box Extenders

      • Ceiling Fan Electrical Boxes

      • New Work Electrical Outlet Boxes

      • Old Work Electrical Outlet Boxes

      • Side Bracket Electrical Outlet Boxes

    • Fan Support Boxes

    • Floor Box Assemblies
      • Conference Table Boxes

      • Outdoor Boxes

      • Pop-Up Floor Box Receptacles

      • Residential Floor Boxes

      • Undercabinet Pop-Down Receptacles

    • Hangers and Support Systems
      • Adjustable Bar Hangers

      • Box and Conduit Hanger Support

      • Fan Support Bar Hangers

      • Fixed Bar Hangers

      • Nail Safety Plates and Nail Straps

    • Lamp Holders and Accessories

    • NEMA Enclosures
      • NEMA 3R Screw Cover Enclosure

      • NEMA 3R Screw Cover Enclosure (With K.O.)

      • NEMA 3R Screw Cover Enclosure (Without K.O.)

      • NEMA Type 1 Screw Cover Enclosure

      • NEMA Type 1 Screw Cover Enclosure (With K.O.)

      • NEMA Type 1 Screw Cover Enclosure (Without K.O.)

      • Service Enclosures

    • Photoelectric Controls and Photocells

    • Plastic/PVC Products

    • Prefabricated Solutions
      • Adjustable Rings

      • Box and Conduit Hanger Support

      • Box Mounting Adapter

      • Firestop Products

      • Fixed Position Box Mounting Brackets

      • Flat Bracket Family

      • Multiple-Box Bar Hanger

      • Pedestal Posts

      • Telescoping Support Bracket

      • Simple Support Bracket System

      • Ultimate Support Bracket System

    • Spring Steel Fasteners
      • Cable & Conduit Supports

      • Ceiling & Acoustical Attachments

      • Datacom & Low Voltage

      • Structural Attachments

      • Stud Wall Attachments

    • Tools
      • Drill Bits

      • Flashlights

      • Klein Tools

      • Knives

      • Hole Saws

      • Tapes

    • Weatherproof Boxes
      • Swimming Pool Junction Boxes

      • Weatherproof 1-Gang Boxes

      • Weatherproof 2-Gang Boxes

      • Weatherproof 3-Gang Boxes

      • Weatherproof 4" Round Boxes (1-1/2" Deep)

      • Weatherproof Plastic Modifiable Boxes

    • Weatherproof Covers
      • Weatherproof Accessories

      • While-In-Use Covers

      • Universal Covers

      • 1-Gang Blank And Device Covers

      • 2-Gang Blank And Device Covers

      • 3-Gang Blank And Device Covers

      • 4" Round Covers

      • Plastic Modifiable Box Cover

    • Weatherproof Extension Rings
      • 1-Gang Extension Boxes and Rings

      • 2-Gang Extension Rings

      • 4" Round Extension Rings

    • Wire Nuts

    • Wiring Devices & Lighting Controls
      • Dimmers, Timers and Photocontrols

      • Floor Box Assemblies

      • Outlets & Receptacles

      • Electrical Switches

      • Vacancy/Occupancy Sensors

      • Wallplates

    • Bulkheads

    • Landscape Cable

    • Landscape Lighting Accessories

    • LED Bullet Lights

    • LED Deck & Hardscape Lights

    • LED Directional Lights

    • LED Flood Lights

    • LED Path Lights

    • LED Step Lights

    • LED String Lights

    • LED Tree Lights

    • LED Underwater Lights

    • LED Well & In-Ground Lights

    • Pagoda Lights

    • Transformers

    • CCT Adjustable LED Lighting

    • Commercial Lighting
      • LED Panel Lights

      • LED Troffer Lights

      • LED Tube Lights

      • LED Wrap-Around

    • Indoor Lighting
      • Architectural Suspended Cylinder Lights

      • LED Backlit Mirrors

      • LED Ceiling Light Fixtures

      • LED Cylinder Lights

      • LED Disc Lights

      • LED Linear Lighting

      • LED Pendant Lights

      • LED Puck Lights

      • LED Ribbon Lights

      • LED Undercabinet Lights

      • LED Vanity Lights

      • LED Reading Lamps

    • Industrial Lighting
      • LED Corn Lights

      • LED Highbay Lights

      • LED Temporary Lights

      • Vapor-Proof Fixture Lights

    • Landscape Lighting

    • LED Aquarium Lights

    • LED Backlit Mirrors

    • LED String Lights

    • LED Strip Lights

    • LED Track Lights

    • Light Bulbs
      • Incandescent Light Bulbs

      • Lamp Holders

      • LED Corn Lamps

      • LED Light Bulbs

      • Tube Lamps

    • Lighting Accessories

    • Outdoor Lighting
      • LED Barn Lights

      • LED Canopy Lights

      • LED Ceiling Mount Lights

      • LED Flood Lights

      • LED Roadway Lights

      • LED Sign Lights

      • LED Wall Mount Lights

      • LED Wallpacks

      • LED Wall Scones

      • Bulkheads

    • Photoelectric Controls and Photocells

    • Recessed Lighting
      • Architectural Lighting

      • Elco Birch™ System

      • Elco Koto™ System

      • Elco Oak™ System

      • Elco Ply System™

      • Elco Teak™ System

      • Fire Rated Housing & Trims

      • LED Light Engines

      • Recessed Housing

      • LED Downlight Trims

      • Sloped Ceiling

    • Smart Lighting

    • Circuit Breakers

    • Disconnects

    • EV Charging

    • Fuses

    • Ground Bar Kits

    • Load Centers and Panelboards

    • Load Center and Panelboard Accessories

    • Surge Protection

    • Temporary Power Panels

    • Transformers

    • Uni-PAK Metering

    • Exit & Emergency Lighting
      • Emergency Ballasts

      • Emergency Lights

      • Exit Signs

      • Exit Sign & Emergency Light Combo

      • Wet Location Exit Sign & Emergency Lights

    • Fire Rated Housing & Trims

    • Firestop Products

    • Flashlights

    • Security Lights

    • Fan Only

    • Fan and Heat Fans

    • Fan, Heat, and Light Fans

    • Fan and Light Fans

    • Panasonic Fans

    • Airzone Fans

Search Login Cart 0
Cart

Your cart is currently empty.

Not sure where to start?
Try these collections:

  • Malibu Electric Products
  • Orbit Industries Products
  • Westgate Products
Spend $500.00 more to reach free shipping!
    Order special instructions
    Estimate shipping rates
    Taxes and shipping calculated at checkout
    Subtotal
    $0.00 USD
    View cart
    Recently viewed
    Search

    We use cookies

    This site uses cookies for better user experience and analytics.

    Home Search Shop 0 Cart Account
    Box Extenders
    • Collections
    • Box Extenders

    Box Extenders

    Looking to extend your electrical outlets without the need for complex modifications? Introducing our collection of electrical outlet box extenders from Sonic Electric. Whether you're adding depth to accommodate thicker walls or ensuring a secure fit for new installations, our extenders provide the perfect solution for expanding your electrical system effortlessly.

    Why Choose Our Electrical Outlet Box Extenders?

    1. Simple Solution: Designed for easy installation, our extenders allow you to extend your outlet boxes without the need for extensive renovations.
    2. Versatile Applications: Whether you're working with drywall, plaster, or other materials, our extenders are compatible with a variety of wall types.
    3. Increased Depth: Ensure a secure fit for your electrical components with extenders that add depth to your outlet boxes, accommodating thicker walls or additional wiring.
    4. Quality Construction: Crafted from durable materials, our extenders are built to last, providing stability and reliability for your electrical system.
    5. Streamlined Integration: Achieve a seamless finish with extenders that blend seamlessly into your existing outlet boxes, maintaining the aesthetic integrity of your space.

    Features That Make a Difference

    • Effortless Installation: With a user-friendly design, our extenders can be installed quickly and easily, minimizing downtime and disruption.
    • Customizable Depth: Choose from a variety of sizes to match your specific needs, ensuring a perfect fit for your electrical components.
    • Compatibility: Our extenders are compatible with standard outlet boxes, making them suitable for a wide range of applications.
    • Peace of Mind: Rest assured knowing that our products meet all safety standards, providing a reliable and secure solution for your electrical system.

    Shop with Confidence

    At Sonic Electric, we're committed to providing high-quality electrical supplies with exceptional customer service. Explore our electrical outlet box extenders collection today and discover the perfect solution for your electrical extension needs. With detailed product descriptions, customer reviews, and expert guidance, we're here to help you make informed decisions every step of the way.

    Extend your electrical system with ease – choose Sonic Electric for reliable, hassle-free solutions. Shop now and experience the difference for yourself!

    Filter and sort
    Price
    $
    to
    $
    Filters
    Price
    $
    to
    $
    Sort by:
    Best selling Sort by
    4.8
    Save 57%
    Non-Metallic One-Gang Box Extender - Sonic Electric
    Vendor:Malibu

    Malibu PBE1 Non-Metallic One-Gang Box Extender

    Sale priceFrom $1.29Regular price $3.00
    5.0
    Save 51%
    Malibu PBE2 Non-Metallic Two-Gang Box Extender
    Vendor:Malibu

    Malibu PBE2 Non-Metallic Two-Gang Box Extender

    Sale priceFrom $2.30Regular price $4.65
    5.0
    Save 29%
    Non-Metallic Three-Gang Box Extender - Sonic Electric
    Vendor:Malibu

    Malibu PBE3 Non-Metallic Three-Gang Box Extender

    Sale priceFrom $4.99Regular price $6.99
    5.0
    Save 22%
    Non-Metallic Round Box Extender - Sonic Electric
    Vendor:Malibu

    Malibu PRBE Non-Metallic Round Box Extender

    Sale priceFrom $3.50Regular price $4.50
    Save 46%
    Malibu PBE4 Non-Metallic Four-Gang Box Extender
    Vendor:Malibu

    Malibu PBE4 Non-Metallic Four-Gang Box Extender

    Sale priceFrom $6.49Regular price $11.99

    Why Professionals Trust Sonic Electric

    Fast, Reliable Shipping

    Most orders ship the same day or within 2 business days, ensuring you get what you need—when you need it.

    Hassle-Free Returns

    Enjoy 30-day returns on eligible items. We make the process easy with clear terms—no guesswork.

    Top Rated Service

    Our team is ready to assist you via chat, email, or phone with product recommendations and technical guidance.

    Secure payment

    Your payment information is processed securely

    Sonic Electric

    About Sonic Electric
    • About us
    • Blog & Resources
    • Customer Reviews
    • Our Process
    • Request a Quote
    Help & Policies
    • Returns & Exchanges
    • Shipping & Delivery Info
    • Store & Payment Policies
    • Terms of Use & Privacy Policy
    Need Help?

    (323) 934-3744

    hello@sonicelectric.com

    Sign up to receive 3% off your first order

    • Facebook
    • X (Twitter)
    • Instagram
    • YouTube
    • Pinterest
    • LinkedIn
    © 2025 Sonic Electric - Lighting up America, one delivery at a time. Powered by Shopify
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.