Movable Access Panel Electrical Box Top Splicing
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Solution Overview
Problem
Prefabricated electrical boxes require disassembly to perform splices due to narrow wiring holes, leading to wire damage and inefficiencies in electrical wiring installations.
Innovation Solution
An improved access electrical box with a movable access panel that allows splicing of conduit and device wires through a top opening while the front opening is blocked by the installed device, enabling secure splicing without disassembling the box.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wires are forced through narrow wiring holes in prefabricated electrical boxes, then wire installation speed is improved, but wire damage and connection reliability deteriorate
Solution Approach 1:
The electrical box is segmented into multiple access openings: a front opening for device installation and a top opening for wire splicing. This segmentation allows different operations to occur through different openings, eliminating the need to force wires through narrow wiring holes while maintaining installation efficiency.
Solution Approach 2:
The top opening serves as an intermediary access point that mediates between the wire splicing operation and the interior space of the electrical box. Wires can be introduced through this intermediary opening without passing through the narrow wiring holes, thus preventing wire damage while maintaining connection reliability.
2Reliability
If the electrical box is disassembled to perform splices at the front opening, then wire damage is avoided, but installation time increases
Solution Approach 1:
The electrical box is pre-configured with a top opening that is specifically designed for wire splicing operations. This preliminary design feature eliminates the need for disassembly during installation, allowing splices to be performed directly through the top opening while the box remains assembled, thus saving time while maintaining wire integrity.
Solution Approach 2:
The top opening provides a multi-functional access point that serves both for introducing wires and for performing splicing operations without requiring box disassembly. This universal access point combines the benefits of both wire introduction and splicing capability in a single feature.
3Stability of the object's composition
If the front opening is blocked by the installed device, then device security is improved, but access to the interior space for splicing is lost
Solution Approach 1:
The electrical box is divided into multiple access openings: the front opening is dedicated to device installation and security, while the top opening is dedicated to wire splicing access. This segmentation allows the front opening to remain blocked by the installed device for security purposes while the top opening provides independent access to the interior space for splicing operations.
Solution Approach 2:
Access to the interior space is provided through a different spatial dimension (top opening) rather than through the front opening. This dimensional change allows splicing operations to occur without requiring unblocking of the front opening, thus maintaining device security while providing operational access.
Data Source
AI summary
An improved access electrical box for housing electrical connections for integration with an electrical system having a conduit and a plurality of conduit wires, the electrical box comprising a plurality of box panels forming an interior space and a front opening, the electrical box further has a top opening, and a movable access panel which selectively covers and uncovers the top opening and has a wiring aperture which allows the conduit wires to be inserted into the interior space, the electric box further has an installed device having device wires, which is secured within the front opening such that the device wires extend into the interior space, the movable access panel allows a user to splice the device wires and the conduit wires through the top opening to complete the electrical connections, and is further adapted to enclose the electrical connections when the movable panel is a closed position.