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| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
The 4x4" Closed Back Steel Extension Box is an essential component for surface-mounted electrical projects you can rely on. Designed with professional installers in mind, it offers robust protection and seamless integration into various electrical setups. This extension box provides a perfect fit for modular sockets and switches, enhancing the security and connectivity of your electrical installations.
