---
product_id: 97788566
title: "B618R-UPC 4-1/4\" Round Box, Old Work, Cubic Inches: 18\", Non-Metallic"
brand: "carlon"
price: "₹ 1941"
currency: INR
in_stock: true
category: "Carlon"
url: https://www.desertcart.in/products/97788566-b618r-upc-4-1-4-round-box-old-work-cubic
store_origin: IN
region: India
---

# 4-1/4" diameter precision fit 18 cubic inches spacious capacity 4 integral swing clamps for secure install B618R-UPC 4-1/4" Round Box, Old Work, Cubic Inches: 18", Non-Metallic

**Brand:** carlon
**Price:** ₹ 1941
**Availability:** ✅ In Stock

## Summary

> 🔌 Upgrade your space with the box that means business!

## Quick Answers

- **What is this?** B618R-UPC 4-1/4" Round Box, Old Work, Cubic Inches: 18", Non-Metallic by carlon
- **How much does it cost?** ₹ 1941 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/97788566-b618r-upc-4-1-4-round-box-old-work-cubic)

## Best For

- carlon enthusiasts

## Why This Product

- Trusted carlon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Secure Swing Clamps:** 4 integral clamps lock the box firmly in place for a hassle-free old work installation.
- • **Compact Depth Design:** 2-3/4" depth fits snugly in tight ceiling or wall spaces without compromise.
- • **Precision Fit, Every Time:** 4-1/4" diameter ensures seamless integration with standard round cutouts.
- • **Durable Non-Metallic Phenolic:** Lightweight yet robust material resists corrosion and simplifies handling.
- • **Spacious Capacity for Complex Wiring:** 18 cubic inches of room to handle multiple wires without the clutter.

## Overview

The Carlon B618R-UPC is a 4-1/4" round, non-metallic old work fixture box offering 18 cubic inches of capacity. Featuring 4 integral swing clamps and a compact 2-3/4" depth, it provides a secure, corrosion-resistant solution for ceiling or wall electrical installations. Trusted by professionals, it balances durability with ease of installation for modern electrical projects.

## Description

Part Number: 034481006237 Part: Carlon B618R-UPC 4-1/4" Round Box, Old Work, Cubic Inches: 18", Non-Metallic 4-1/4" Diameter 3/0 -4/0, Round Old Work Box with Swing Clamps, Non-Metallic, Depth: 2-3/4". Cubic Inches: 18". Integral Clamps: 4, Not UL Classified for Fire Resistance or used for Fixture Support in the Ceiling. Diameter:4 1/4 in Material:Non-Metallic, Phenolic Type:Old Work, Fixture Box, Ceiling Box Product Depth:2 3/4 in Cubic Inches:18 in Also known as: 034481006237, CARB618RUPC, Carlon, B618R-UPC, Round - Old Work, Ceiling/Fixture Boxes, Boxes - Non-Metallic, Boxes, Enclosures, 4" cut in box, 4" round cut in box, 4 O remodel, Union Box Equivalent to

## Features

- Diameter:4 1/4 in
- Material:Non-Metallic, Phenolic
- Type:Old Work, Fixture Box, Ceiling Box
- Product Depth:2 3/4 in
- Cubic Inches:18 in

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DMSL9HV |
| Best Sellers Rank | #35,578 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #61 in Electrical Outlet Boxes |
| Brand Name | Carlon |
| Capacity | 18 cubic inches |
| Color | Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (806) |
| Finish Type | Polished |
| Installation Type | Screw-In |
| Item Dimensions D x W x H | 2.6"D x 4.25"W x 4.25"H |
| Item Weight | 1.4 pounds |
| Manufacturer | Carlon |
| Material | phenolic |
| Model Number | B618R-UPC |
| Number of Items | 1 |
| Part Number | B618R-UPC |
| Specification Met | Ul |
| Style | Compact |
| UPC | 695526799905 |
| Unit Count | 1 Pounds |

## Product Details

- **Brand:** Carlon
- **Color:** Blue
- **Material:** phenolic
- **Product Dimensions:** 2.6"D x 4.25"W x 4.25"H
- **Style:** Compact

## Images

![B618R-UPC 4-1/4" Round Box, Old Work, Cubic Inches: 18", Non-Metallic - Image 1](https://m.media-amazon.com/images/I/41sDOWlceGL.jpg)

## Questions & Answers

**Q: Where is this made? thanks**
A: It's hard plastic, not metal.

**Q: is the outer dimension 4 1/2" or does it fit a 4 1/2" hole?**
A: Outer dimension is about 4 1/2”

**Q: How much are there in one package**
A: The quantity of each package is 1.

**Q: can this product be used to mount an exterior lamp on a stucco surface?**
A: Not likely. Exterior walls are quite thick, plus stuco could be even more thickness. This box has 3 tabs that secure it, but they only clamp maybe 1" deep.

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**Shop now:** [https://www.desertcart.in/products/97788566-b618r-upc-4-1-4-round-box-old-work-cubic](https://www.desertcart.in/products/97788566-b618r-upc-4-1-4-round-box-old-work-cubic)

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-08-22*