Electrical Wiring Device Installation Indicia Visibility
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Solution Overview
Problem
Existing electrical wiring devices face challenges in providing legible and accessible installation instructions and notices due to limited surface area, making it difficult for installers to comply with building and electrical codes.
Innovation Solution
The solution involves a marking or labeling system that prominently displays installation instructions and notices on the electrical device, using indicia on the housing or labels attached to the device, directing installers to additional information, and allowing for removable labels to ensure visibility during installation and compliance with code requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If installation instructions and notices are printed on instruction sheets enclosed with the device or on packaging, then the information can be provided in sufficient detail, but the instructions are not fixed to the device and may be lost or separated during installation
Solution Approach 1:
The patent combines the instruction sheets and notices with the device packaging by using the packaging itself as the delivery mechanism. The instructions are printed directly on the packaging surfaces, merging the protective/container function of packaging with the information delivery function, ensuring instructions remain with the device throughout installation.
Solution Approach 2:
The patent utilizes the three-dimensional surfaces of the packaging (sides, flaps, panels) to distribute information across multiple dimensional planes. This allows comprehensive instruction delivery while utilizing all available packaging surface area, transforming the two-dimensional limitation into a multi-surface information architecture.
2Reliability
If installation instructions are printed directly on the electrical device housing, then the instructions are fixed to the device and always accessible, but the limited surface area of the device makes it difficult to provide necessary information in a readable print size
Solution Approach 1:
The patent extends the information display from the limited device housing surface to the expanded packaging surfaces. By utilizing the packaging's larger multi-dimensional surface area, the system provides readable print sizes while maintaining the fixed-attachment benefit of direct printing.
Solution Approach 2:
The patent segments the information delivery across multiple packaging surfaces (front panel, side panels, flaps) rather than concentrating all information on a single surface. This distribution allows each section to be adequately sized for readability while collectively providing comprehensive installation instructions.
3Ease of operation
If a cover plate is present during use of the electrical device, then the device functions normally, but the cover plate obscures indicia that should be visible to the installer during installation
Solution Approach 1:
The patent places installation-related indicia on packaging surfaces that remain accessible during installation procedures, distinct from the device housing areas that would be obscured by cover plates. This localized positioning ensures installation information visibility without interfering with the device's operational cover plate.
Solution Approach 2:
The patent provides all necessary installation instructions on the packaging before the device is installed and before cover plates are attached. This preliminary information delivery ensures installers have access to all needed guidance during the installation process, eliminating the need for post-installation information access.
Data Source
AI summary
An eletrical wiring device includes a housing having a front outer surface is visible during use and in an installed position, a side surface and a rear surface. Printed indicia is provided on the side surface of the housing or a front surface of the housing for identifying the location of compliance installation instructions for installing the electrical wiring device in a wiring system. The printed indicia is oriented to be visible by the installer during installation of the electrical wiring device and is oriented to be covered by a faceplate after installation of the electrical wiring device. Printed compliance installation instruction indicia is provided on the housing for installing the electrical wiring device in the electrical system. The compliance installation instruction indicia is oriented to be visible by the installer during installation of the electrical wiring device in the electrical system.