Masonry Boxes and Extensions

This Four Gang Bracketed Masonry Box from Garvin Industries offers a robust solution for electrical installations in masonry walls. With a depth of 2-1/2 inches and non-gangable design, it ensures sufficient space for wiring and secure mounting with...

This Five Gang Masonry Box is an essential component for electrical installations within masonry structures. Its 3-1/2" depth allows for ample wiring space, and the gangable design offers flexibility for future expansions. Key Features and...

This Garvin Industries TB-635 six gang masonry box is designed for durability and easy installation in masonry applications. Its 3-1/2-inch depth accommodates a wide range of devices and wiring solutions. Key Features and Benefits ...

This Six Gang Masonry Box is designed for robust and secure electrical installations in masonry walls. The box's 2-1/2" depth provides ample space for wiring and electrical components, while its non-gangable design ensures a stable and permanent...

This One Gang Masonry Box Extension from Garvin Industries is the perfect solution for adding depth to existing masonry boxes. The 2-1/2" depth and built-in conduit knockouts make it versatile for various electrical applications. Key Features...

Garvin Industries' TBX-325 is a robust solution for extending masonry boxes, providing an additional 2-1/2" depth and conduit knockouts for greater wiring flexibility. Key Features and Benefits Easy installation to extend existing...

This Two Gang Masonry Box Extension from Garvin Industries is a reliable solution for extending masonry boxes in a variety of settings. The 3-1/2" depth and built-in conduit knockouts make it ideal for accommodating additional wiring and making...

Enhance your electrical installations with the Masonry Box Extension Ring. This four-gang, 3-1/2 inch extension is designed to increase the capacity of your existing masonry box, providing additional space for wiring and electrical devices. Key...

This Garvin Industries TBX-425 Four Gang Masonry Box Extension is a practical solution for extending existing masonry boxes. The 2-1/2" depth and built-in conduit knockouts make it a versatile choice for electrical wiring expansions and renovations...

The Garvin TBX-525 Five Gang Masonry Box Extension is designed to provide a seamless solution for extending existing masonry boxes. This 2-1/2" deep extension comes equipped with conduit knockouts, making it an essential component for electrical...

Introducing TBX-335 Masonry Box Extension Ring, an essential component from our series designed to enhance electrical installations in masonry walls. Crafted with precision by industry-leading experts, this extension ring ensures optimal functionality...

This 5 Gang Mason Box Extension Ring is a practical solution for electricians needing to extend the capacity of an existing mason box. Its 3-1/2 inch depth provides ample space for additional wiring, making it ideal for complex installations or...

This Mason Box Extension Ring provides a simple and efficient solution for adding extra wiring space to your existing mason box setup. Part of Garvin Industries' reliable electrical accessories, it ensures compliance with electrical codes and...

The Garvin TBX-225 Two Gang Masonry Box Extension is designed to provide additional space and accessibility for electrical wiring in masonry applications. This 2-1/2" deep extension is equipped with conduit knockouts, enhancing the functionality and...

Garvin Industries' TBX-635 is a six gang masonry box extension designed to add depth to existing masonry boxes. The 3-1/2" deep extension is equipped with conduit knockouts, providing versatility and ease of use for electrical professionals. Key...