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Product Details
Description
Our premium 4-inch 4S deep welded square box is perfect for your electrical installation needs. Made from durable 16-gauge sheet steel and featuring a galvanized finish, this box offers excellent corrosion resistance and long-lasting performance. With a depth of 2-1/8 inches and a volume of 30.3 cubic inches, it provides ample space for wiring and connections. The welded construction ensures enhanced structural integrity, making it a reliable choice for professional electricians and contractors.
Key Features
- High-Quality Material: 16-gauge sheet steel for durability
- Corrosion-Resistant Finish: Galvanized for long-lasting protection
- Generous Capacity: 30.3 cubic inches of volume
- Welded Construction: For enhanced strength and reliability
Dimensions
- Width: 4 inches
- Height: 4 inches
- Depth: 2-1/8 inches
Knockouts (KO) Configuration
- Sides: Eight 1/2 inch KOs and four MKOs
- Bottom: Two 1/2 inch KOs and two MKOs
Why Choose Our 4" 4S Deep Welded Square Box?
- Superior Durability: Crafted from tough 16-gauge sheet steel
- Easy Installation: Multiple knockouts for flexible conduit entry
- Professional Grade: Trusted by electricians and contractors
Upgrade your electrical installations with our top-quality 4" 4S deep welded square box. Designed for performance and reliability, it’s the perfect choice for ensuring secure and efficient electrical connections.
Customer Reviews
FAQS
Is this product in stock?
Inventory is updated regularly, but availability may change. Contact us for current stock on large orders.
How quickly will my order ship?
Most in-stock orders are processed within 1–3 business days. Standard shipping typically takes 1–5 business days, depending on your location.
Can I return this product?
Yes. Most products can be returned within 30 days of your order date, provided they are new and unused. Some exclusions and conditions apply. Please review our Return Policy for complete details.
Are there restocking fees?
Yes. A 30% restocking fee applies to eligible returns. Original shipping charges are non-refundable, and customers are responsible for return shipping costs. The restocking fee can be waived with a new order.
Is this product UL Listed or ETL Listed?
Certifications vary by product. Please review the product specifications or contact us to confirm certification details.
Does this item include a manufacturer warranty?
Most products are covered by the manufacturer's warranty. Warranty terms and coverage vary by brand and product.
Do you offer contractor pricing?
Yes. All products already include contractor pricing. Select a multi-pack option to save up to 10%. Your discount is automatically applied when you choose a qualifying multi-pack quantity.
Can I request bulk pricing?
Yes. Use the Add to Quote option on any product page to request a custom quote, or contact us directly for volume pricing and project-specific quotes.
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 3 business days with tracking provided within 72 hours. 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. Return Policy
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Expert Support, Anytime
Our team is ready to assist you via chat, email sales@malibumfg.com or phone (323) 934-3744 with product information and technical guidance.
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Top Rated Service
With a 4.9-star rating on Google, our customers say it best: Great prices, outstanding service and a company that delivers. See why customers choose Sonic


