Non-Metallic Device Box With Detachable Back for Pre-Wiring Access
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Solution Overview
Problem
Conventional device boxes offer limited access and flexibility for installing devices due to a single opening, and metallic boxes with removable backs are not ideal for pre-wiring before drywall installation.
Innovation Solution
A non-metallic device box with a detachable back, featuring a removable panel and interlocking or snap-fit mechanisms, allowing enhanced access to the wiring cavity for easier installation and secure enclosure creation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional device box with a single opening is used, then the box structure is simple and enclosed, but the access and flexibility for installing devices is limited
Solution Approach 1:
The device box is segmented into multiple sections: a main body and a removable back panel. The back panel can be detached to provide access to the wiring cavity from the rear, while the front opening remains for device installation. This segmentation allows contractors to access the box from multiple directions, improving installation flexibility without significantly complicating the overall structure.
2Ease of operation
If a metallic box with removable back is used, then the back is accessible for wiring, but the material is metallic which may not be ideal for pre-wiring before drywall installation
Solution Approach 1:
The patent changes the material parameter from metallic to non-metallic (such as plastic or polymer). This non-metallic material is specifically suited for pre-wiring applications before drywall installation, as it can be easily cut, shaped, and integrated with drywall systems. The removable back panel feature is maintained in this non-metallic construction, providing both material compatibility and wiring accessibility.
3Ease of operation
If the back wall is made detachable, then access to wiring cavity is improved, but the box structure becomes more complex
Solution Approach 1:
The back wall is segmented as a separate removable panel that can be detached from the main box body. This panel is held in place by simple retaining features or clips, allowing easy removal to access the wiring cavity from the rear. The segmentation is minimal and functional, providing improved access without excessive structural complexity.
Solution Approach 2:
The back panel is extracted as a separate, removable component from the main box structure. This extracted panel can be removed entirely or partially opened to provide access to the interior wiring cavity, while the main box body remains intact. This extraction approach simplifies the attachment mechanism and improves access functionality.
Data Source
AI summary
A non-metallic device box with a detachable back. The device box includes four side walls and a detachable back wall. The side walls terminate in a planar front edge defining a front opening. Component bosses extend inwards from two of the opposing side walls and include front surfaces that are planar with the front edge. A first of the side walls includes an opening with a removable panel that includes one or more bosses with captive screws for securing the device box to a stud or similar structural support. The detachable back may be slid into interlocking engagement with tabs on a first of the sidewalls. The device box may include a screw-detachable back or a snap-detachable back, making wiring connections much easier to accomplish when the back of the box is available prior to drywall installation rather than having to wire conventionally through the drywall cut-out opening.