---
product_id: 387221458
title: "Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box"
brand: "sigma engineered solutions"
price: "$33.52"
currency: USD
in_stock: false
reviews_count: 5
category: "Sigma Engineered Solutions"
url: https://www.desertcart.us/products/387221458-sigma-electric-gray-14250-1-2-inch-3-hole-1
store_origin: US
region: United States of America
---

# 3 x 1/2-inch knockouts NEMA 3R wet location rated Powder-coated corrosion resistance Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box

**Brand:** sigma engineered solutions
**Price:** $33.52
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Weatherproof your wiring with confidence — the pro’s choice for secure junctions!

## Quick Answers

- **What is this?** Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box by sigma engineered solutions
- **How much does it cost?** $33.52 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/387221458-sigma-electric-gray-14250-1-2-inch-3-hole-1)

## Best For

- sigma engineered solutions enthusiasts

## Why This Product

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

## Key Features

- • **Secure Grounding:** Pre-installed ground screw ensures safe, code-compliant installation
- • **All-Weather Ready:** UL & CSA listed, perfect for wet, damp, or dry environments
- • **Rugged Durability:** Die-cast, powder-coated housing built to resist corrosion and weather
- • **Triple Knockout Access:** Three 1/2-inch knockouts for versatile conduit connections
- • **Complete Installation Kit:** Includes mounting lugs and closure plugs for hassle-free setup

## Overview

The Sigma Electric Gray 14250 1/2-Inch 3 Hole 1-Gang Box is a durable, weatherproof electrical junction box designed for professional-grade conduit and device housing. Featuring three 1/2-inch knockouts, die-cast corrosion-resistant construction, and UL/CSA wet location certification, it ensures safe, reliable installations in any environment.

## Description

weatherproof one-gang boxes provide a junction for conduits and can house a single wired device such as a receptacle or switch. The rugged, die-cast construction prevents moisture penetration making the boxes suitable for wet, damp or dry locations. Boxes are powder coated for corrosion resistance and feature a ground screw for secure installation. Boxes include hardware, closure plugs and a pre-installed ground screw.

Review: Boîtier conforme et bon marché
Review: Exactly what I needed, very well made and plenty of sturdy protection. Clean look too, and mounting is easy.

## Features

- Provide a junction for conduits or can house a single wired device such as a receptacle or switch
- Features three 1/2-in knockouts and 18. 3 cu. in. capacity
- Includes mounting lugs, closure plugs and a pre-installed ground screw
- Die-cast construction and powder coated for corrosion resistance
- Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00C3YD0QM |
| Best Sellers Rank | #209,881 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #208 in Flush Mount Terminal Boxes |
| Item model number | 14250 |
| Manufacturer | Sigma Electric |
| Product Dimensions | 5.74 x 7.11 x 11.43 cm; 249.48 g |

## Product Details

- **Brand:** Sigma Engineered Solutions
- **Colour:** Gray
- **Material:** Aluminum
- **Product dimensions:** 5.7D x 7.1W x 11.4H centimeters
- **Style:** Compact

## Images

![Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box - Image 1](https://m.media-amazon.com/images/I/31M763qjZML.jpg)
![Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box - Image 2](https://m.media-amazon.com/images/I/31rrBqtfIML.jpg)
![Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box - Image 3](https://m.media-amazon.com/images/I/411XnrZdR3L.jpg)
![Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box - Image 4](https://m.media-amazon.com/images/I/411a-qIQyUL.jpg)
![Sigma Electric, Gray 14250 1/2-Inch 3 Hole 1-Gang Box - Image 5](https://m.media-amazon.com/images/I/41KxdzfdwyL.jpg)

## Questions & Answers

**Q: Does this box include the full metal tabs that screw in the backs of the box and allow you to mount off to the side**
A: The box will contain 1 metal "ears" that attach to the back side of the box, allowing you to mount the box from the side.

**Q: What is the length, width and depth of this box?**
A: Dimensions are 4 1/2" tall x 2 3/4" wide x 2" deep.

**Q: Can this replace an exterior light ( yard light) previous box?**
A: Yes. That is an outdoor rated weather proof box.

**Q: Can this box be mounted from behind?**
A: There are four holes in the corners that appear to be there so they can be punched out, to accommodate nuts an bolts. There is also a threaded hole in the back that could be used for mounting. See photo.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***N on 20 November 2025*

Boîtier conforme et bon marché

### ⭐⭐⭐⭐⭐ Review
*by P***G on 8 April 2025*

Exactly what I needed, very well made and plenty of sturdy protection. Clean look too, and mounting is easy.

### ⭐⭐⭐⭐⭐ Review
*by M***Y on 19 January 2026*

Good quality. Suitable for wet locations.

## Frequently Bought Together

- SIGMA ENGINEERED SOLUTIONS 14250 Metal Electrical Outlet Box, Weatherproof, Easy Mount Plug and Receptacle Protector, Gray, (3) 1/2-Inch Holes, 1 Gang Box
- Intermatic WP3100C Weatherproof Electrical Outlet Cover - Extreme Temperature Resistance, Heavy-Duty Construction, Versatile Design & Multi-Configurable, Easy Install, Secure Fit for Outdoor In-Use
- Bates Weatherproof Electrical Outlet Cover, 1-Gang, Outdoor Plug Cover, Outdoor Receptacle Cover

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**Shop now:** [https://www.desertcart.us/products/387221458-sigma-electric-gray-14250-1-2-inch-3-hole-1](https://www.desertcart.us/products/387221458-sigma-electric-gray-14250-1-2-inch-3-hole-1)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-25*