Wall Cavity Electrical Cabinet Layout for Flush Wiring Access

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Solution Overview

Problem

Traditional wall-mounted electrical cabinets protrude from walls, affecting aesthetics and reducing available space, particularly in high-rise apartments, and existing solutions fail to address these issues effectively.

Innovation Solution

A wall cavity electrical cabinet system allowing flush mounting with ready electrical access, comprising a base mounting module, an electrical mounting module, and a finishing module, which includes a cavity container, an electrical container, and a closing module, enabling installation between wall studs and allowing for seamless integration with plasterboard, with access holes and channels for wiring and finishing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional surface-mounted electrical cabinets are used, then electrical access is readily available, but the cabinet protrudes from the wall affecting aesthetics and reducing available space

Engineering Contradiction:
Improveelectrical accessVSAvoidprotrusion from wall
Core Design Contradiction:
Ease of operationVSShape

Solution Approach 1:

The electrical cabinet is nested within a wall cavity, with the cabinet body positioned inside the hollow space between studs. The cabinet front face is flush with the wall surface, eliminating protrusion while maintaining internal volume for electrical components. This nesting approach allows the cabinet to be hidden within the wall structure rather than mounting on the external surface.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The design transitions from two-dimensional surface mounting to three-dimensional cavity utilization. By exploiting the depth dimension of the wall cavity, the cabinet achieves flush mounting while preserving adequate internal space for electrical fittings, effectively moving the problem from surface level to volumetric space utilization.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of operation

If traditional surface-mounted electrical cabinets are used, then electrical components can be easily accessed, but available room space is reduced

Engineering Contradiction:
Improveelectrical accessVSAvoidavailable room space
Core Design Contradiction:
Ease of operationVSVolume of moving object

Solution Approach 1:

The electrical cabinet is nested within the wall cavity structure, utilizing the hollow space between studs for housing electrical components. This placement removes the cabinet volume from the occupied room space, effectively increasing available room volume while maintaining accessibility through the flush-mounted front panel.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The electrical cabinet is extracted from the room interior space and relocated to the wall cavity. This separation places the electrical infrastructure in a dedicated wall space rather than consuming valuable room volume, while the flush mounting ensures minimal impact on room dimensions and maximum space utilization.

Inventive Principle:
Principle #2Taking out (Extraction)

3Shape

If flush mounting is implemented, then aesthetics are improved, but wiring access from within the wall cavity becomes more complex

Engineering Contradiction:
Improveflush mountingVSAvoidwiring access
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

Wiring access holes are pre-formed in the side walls of the wall cavity during the construction phase, before the cabinet is installed. These access holes align with corresponding openings in the cabinet, allowing cables to be fed through the wall structure and connected to electrical components without requiring post-installation wall penetration or complex routing through finished surfaces.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The side wall access holes serve as intermediary pathways, mediating the connection between external wiring and internal cabinet components. These pre-positioned openings provide direct cable access routes through the wall cavity, simplifying the wiring process while maintaining the aesthetic flush mounting appearance from the exterior.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP4035238B1A wall cavity electrical cabinet system
Publication Date: 2026.01.28 JTSHOLDINGS PTY LTD
  • EP4035238B1 patent drawingFigure 1
  • EP4035238B1 patent drawingFigure 2
  • EP4035238B1 patent drawingFigure 3

AI summary

A wall cavity electrical cupboard system for allowing flush mounting with ready electrical access wiring that is received through holes (35) of the cavity container (31) and can feed along the circumferential channel 29 and into holes of the template openings (56) and can be connected to control means in the electrical mounting module mounted on the support brackets (47a 47b) such as fuses, surge protectors, short circuit protection cutoffs etc. Only the front switches or indicators (20) appear through the cut outs (27a 27b). The channel and the template openings provides a benefit that the wiring therefore can be selectively moved around and readily connected without needing to line up the holes of the cavity container (31) and the electrical container (49) and with adjustability and safety of placing wiring connection behind the sealing protector plate (46) covering the opening except for what is allowable to show through the cutouts (27a 27b) and be mounted on the support brackets (47a 47b).