
GBLL-500
Malibu GBLL-500 5" Insulated Ground Bushing with Lay-in-Lug
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Malibu GBLL Insulated Ground Bushing with Lay-in-Lug – Sizes 1/2" to 5"
Malibu GBLL Insulated Ground Bushings are engineered for optimal performance and safety, making them a trusted choice for electricians and contractors. Designed to securely fasten and effectively ground threaded rigid conduit or IMC to enclosures, these premium-grade bushings are built for durability and ease of installation. Whether you're upgrading an electrical system or ensuring code compliance, Malibu's insulated ground bushings deliver reliable grounding solutions for residential, commercial, and industrial applications.
Why Choose Malibu GBLL Insulated Ground Bushings?
- High-Quality Materials: Constructed from robust zinc die-cast or malleable materials for long-lasting durability.
- Efficient Grounding Design: Equipped with a 90° dual-rated aluminum/copper lay-in lug for seamless grounding connections.
- Wide Size Range: Available in sizes from 1/2" to 5" to meet diverse project needs.
- Wire Protection: Features a 105°C-rated throat liner to prevent damage to wire insulation during installation.
- Threaded Connection: Ensures a secure and reliable fit with rigid conduit or IMC.
Certifications and Compliance
- UL Certified for adherence to industry standards, ensuring safe and reliable operation in all electrical installations.
Product Specifications
Item Number | Trade Size | Lug Range |
---|---|---|
GBLL-50 | 1/2" | #14 - #4 |
GBLL-75 | 3/4" | #14 - #4 |
GBLL-100 | 1" | #14 - #4 |
GBLL-125 | 1-1/4" | #14 - #4 |
GBLL-150 | 1-1/2" | #14 - #4 |
GBLL-200 | 2" | #14 - #4 |
GBLL-250 | 2-1/2" | #6 - #250MCM |
GBLL-300 | 3" | #6 - #250MCM |
GBLL-350 | 3-1/2" | #6 - #250MCM |
GBLL-400 | 4" | #6 - #250MCM |
GBLL-500 | 5" | #6 - #250MCM |
Top Benefits for Electricians and Contractors
- Versatile Applications: Ideal for residential, commercial, and industrial electrical projects.
- Easy Installation: Designed with a lay-in lug for quick and hassle-free grounding connections.
- Reliable Grounding: Ensures a strong and secure connection between the conduit and neutral bus bar.
Enhance Your Electrical Installations with Malibu
By choosing Malibu GBLL Insulated Ground Bushings, you’re investing in a product that combines safety, durability, and performance. Whether you’re working on a small-scale residential job or a large industrial project, these ground bushings are the perfect solution to achieve reliable and code-compliant grounding.
Order Now to experience superior quality and dependable performance for all your electrical installations. Optimize your electrical systems with Malibu—your trusted partner for professional-grade solutions.

Malibu GBLL-500 5" Insulated Ground Bushing with Lay-in-Lug
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders placed before 12:00 PM (PST) ship the same day or within 2 business days, with tracking provided within 72 hours. Learn more in our Shipping Policy.
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Returns & Exchanges
Non-defective items may be returned within 30 days with a 30% restocking fee. Shipping costs are non-refundable, and return shipping is the customer’s responsibility. See our full Return Policy.
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Cancellations
Orders can be canceled before shipment; if already shipped, standard return fees apply. Learn more about Cancellations.
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Damaged Shipments & Shortages
Report any shortages, damages, or incorrect items within 5 business days of delivery. For assistance, visit our Claims Policy.
What People Are Saying
Five-Star Service. Unmatched Reliability.
Electricians, contractors, and homeowners trust Sonic Electric for top-quality products, fast shipping, and expert support. With a perfect 5-star rating on Google, our customers say it best—great prices, outstanding service, and a company that delivers. See why professionals choose Sonic Electric.
Order was processed and shipped quickly. Order arrived in sturdy box with plenty of cushion to insure against damage. Questions were answered as soon as possible. Look forward to working with Sonic again on future orders
— Peter Hoffman
I placed an order with Sonic Electric and after receiving needed to return the items. I was so pleased to get prompt personalized attention and a full refund. So nice to do business with a customer oriented company.
— Cindy Ward
I recently ordered two pop-up outlets for a kitchen island. One of them won't stay closed. I emailed customer service, and after a couple of email exchanges and a photo, they are shipping a replacement. Things like this can be an absolute hassle, but they were great. I would not hesitate to order from them again.
— Kathleen Snell
Great price, excellent service.
— Jose Mendoza
Great products, prices and service.
— George Moskoff
Items arrived quick. Just what I needed!
— Noma Woudenberg
Accurate and fast
— Paul Spurgeon
Great products, great pricing, delivered exactly as promised, on time. Would definitely buy from again.
— David Pool
Handled all of my lighting for my store. Beautiful work. Highly recommend!
— Darian Avin