Bonding Jumper for Water Meter Electrical Grounding
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Solution Overview
Problem
The absence of a bonding jumper at water meters in water supply systems creates a safety hazard due to the potential for electrical shock when servicing or replacing the meter, as the non-conductive meter body can become energized, disrupting the grounding path.
Innovation Solution
A bonding jumper system comprising electroconductive materials with inlet and outlet ends is mechanically coupled to the water meter body and piping system, ensuring a continuous electrical conduit from the waterline to the ground, using electroconductive fittings and fasteners like machine screws, and optionally encapsulated with a cover for protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a poly non-conductive meter body is used, then the meter body is corrosion-resistant and durable, but the grounding path is interrupted creating electrical shock hazard
Solution Approach 1:
A bonding jumper serves as an intermediary component that bridges the electrical discontinuity created by the non-conductive meter body. The jumper is mechanically coupled to both the inlet and outlet fittings, creating a continuous grounding path that bypasses the non-conductive body while maintaining electrical safety.
Solution Approach 2:
The grounding path is segmented into multiple sections: the inlet fitting, the bonding jumper, and the outlet fitting. This segmentation allows each component to perform its specific function while collectively maintaining the grounding continuity despite the non-conductive body interrupting the direct path.
2Object-affected harmful factors
If a bonding jumper is added to maintain grounding continuity, then electrical safety is improved, but the device complexity increases
Solution Approach 1:
The bonding jumper performs multiple functions simultaneously: it maintains grounding continuity, provides mechanical support, and serves as an electrical bond between the inlet and outlet fittings. This multi-functionality reduces the need for additional separate components.
Solution Approach 2:
The bonding jumper combines the grounding function with the structural connection function. By merging these functions into a single component, the overall system complexity is minimized while achieving both electrical safety and mechanical integrity.
3Reliability
If the bonding jumper is mechanically coupled to the meter body, then grounding continuity is maintained, but the installation complexity increases
Solution Approach 1:
The bonding jumper is pre-configured with connection means at both ends before installation. The inlet end is coupled to the inlet fitting and the outlet end is coupled to the outlet fitting in advance, so that during installation, the jumper simply needs to be attached to the meter body, simplifying the overall installation process.
Solution Approach 2:
The bonding jumper is designed to be self-installing through its mechanical coupling features. The connection means at both ends allow the jumper to secure itself to the fittings without requiring complex external fastening mechanisms or specialized installation tools.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a safe and stable electrical grounding of the water meter, reducing the risk of electrical shock and ensuring compliance with electrical and plumbing codes by maintaining a continuous conductive path, thereby enhancing safety and operational stability.
Implementation Method 1
The bonding jumper can be a member comprising an inlet end and an outlet end. The at least one bonding jumper can be configured to be mechanically coupled to a water meter body... The inlet end is mechanically coupled to the inlet to initiate an electrical coupling and the outlet end is mechanically coupled to the outlet to complete the electrical coupling
Data Source
AI summary
An embodiment of a bonding jumper systems can include one bonding jumper comprising an electroconductive material. The bonding jumper can be a member comprising an inlet end and an outlet end. The at least one bonding juniper can be configured to be mechanically coupled to a water meter body. The water meter can comprise an inlet and outlet that both comprise an electroconductive fitting. The inlet end is mechanically coupled to the inlet to initiate an electrical coupling and the outlet end is mechanically coupled to the outlet to complete the electrical coupling. The bonding jumper system can further include a cover configured to encapsulate the meter body and the at least one bonding jumper.