B4233 HUBBELL Cast Iron Flush Conc Floorbox Collar

Review HUBBELL Inc. Cast Iron 2-gang Deep Flush Rectangular Conc Floorbox Brass Collar

The Hubbell B4233 Cast Iron 2-Gang Flush Concealed Floor Box Collar is a high-quality and durable electrical accessory designed for use in residential and commercial applications. This floor box collar is made from heavy-dale cast iron, which provides superior strength and stability, ensuring a long-lasting performance.

The 2-gang design of this floor box collar allows for the installation of two electrical devices, such as switches or outlets, in a single location. The flush concealed mounting option offers a sleek and modern appearance, as the box collar sits flush with the finished floor, providing a seamless integration into the room's decor.

The Hubbell B4233 Cast Iron 2-Gang Flush Concealed Floor Box Collar is designed to meet or exceed the requirements of the National Electrical Code (NEC) and other applicable codes and standards. It features a rust-resistant finish, which helps to protect against corrosion and extends the life of the product.

The floor box collar includes a removable cover plate, which makes it easy to access the electrical devices for maintenance or replacement. The cover plate is also available in a variety of finishes to match different decor styles.

The Hubbell B4233 Cast Iron 2-Gang Flush Concealed Floor Box Collar is designed for use with Hubbell's B4233 floor box, which is sold separately. The floor box and collar are easy to install, and the collar can be mounted directly onto the concrete floor using the provided mounting hardware.

Overall, the Hubbell B4233 Cast Iron 2-Gang Flush Concealed Floor Box Collar is an excellent choice for those looking for a durable, reliable, and stylish electrical accessory for their home or business. With its heavy-duty cast iron construction, flush concealed design, and easy installation, this floor box collar is sure to meet your electrical needs and exceed your expectations.

The Hubbell B4233 cast iron 2-gang flush concealed floor box collar is a common choice for installing electrical boxes in concrete floors. Here are some pros and cons to help you make an informed decision:

1. Durability: Cast iron material is known for its strength and durability. It can withstand heavy foot traffic and is resistant to damage from moisture and chemicals.

2. Concealed Installation: The flush design allows the collar to be installed level with the floor, providing a clean and aesthetically pleasing appearance.

3. Versatility: This collar can be used with various types of electrical boxes and devices, making it a versatile option for different electrical applications.

4. UL Listed: The Hubbell B4233 is UL listed, ensuring that it meets the safety standards set by the Underwriters Laboratories.

1. Weight: Cast iron is a heavy material, which can make installation more labor-intensive and time-consuming. It may also require additional tools and equipment to handle and position the collar in place.

2. Cost: Compared to other materials like plastic or brass, cast iron is generally more expensive. This can increase the overall cost of the electrical installation.

3. Corrosion: Although cast iron is resistant to moisture, it is not completely immune to corrosion. Proper installation and maintenance are essential to prevent rusting and other forms of damage.

The Hubbell B4233 cast iron 2-gang flush concealed floor box collar offers several advantages, including durability, concealed installation, versatility, and UL listing. However, its weight and cost are potential drawbacks. Ultimately, the decision to purchase this collar will depend on the specific requirements of your electrical project and your budget. If durability, versatility, and a clean appearance are priorities, then the Hubbell B4233 may be an excellent choice. However, if cost and ease of installation are more important factors, then you may want to consider alternative options.

Details:

Hubbell 2-gang deep flush rectangular concrete floor box. Hubbell B4233 cast iron 2-gang deep flush rectangular conc floorbox brass collar new page fully adjustable. Combined shipping, some orders qualify for combined shipping discounts.

Concrete cover and closure plug included. Items purchased without making special shipping arrangements will not be honored. Ul listed, removable lav barrier. 3-3/4-inches minimum depth of pour.

Made of cast iron. Our part number:hubb4233, catalog number:b4233, condition: new, condition notes:new in box, combined shipping:yes, spec sheet: accessories included: not retail price:$321.65, qty:1.

specifications buildymat:

• brand: Hubbell
• mpn: B4233
• color: Cast Iron/brass
• product height: 3.38
• product length: 4.84
• product width: 8.06
• upc: 783585102603

offer buildymat:

• availability: in stock
• started: march 9, 2026
• options: ship-to-home
• sold #: 6
• prices: $58.99–$301.61
• item condition:
  • New
  • New – Open box
  • Used
• in stock #: 5
• best offers: true

shipping buildymat:

• carrier: ups
• transit: 2-5 days
• class: standard, expedited, one-day
• type: calculated
• service: ups ground, ups 3 day select, ups 2nd day air, ups next day air

payments buildymat:

• wallet: paypal
• other
• credit card: visa

returns buildymat:

• policy: no returns

general buildymat:

• category: Business & Industrial > Supplies > Building Materials

seller buildymat:

• city: las vegas, nevada
• # reviews: 31962
• rating: 99.7%