Product No: GNGPL-5405
Minimum Go Gauge for Socket-Outlet of BS 546 Figure 5 is a specialized testing tool engineered to validate the structural and dimensional compliance of socket-outlets with BS 546 standards, as detailed in Figure 5 of BS 546 (“Two-pole and earthing-pin plugs, socket-outlets and adaptors. Specification”). It adheres strictly to the standard’s requirements for dimensions, tolerances, material properties, hardness, and surface roughness, featuring a precision design tailored to verify the minimum acceptable size and fit of socket-outlets. With a material hardness exceeding 50HRC and a low thermal expansion coefficient, the gauge ensures exceptional dimensional stability and reliable performance, providing accurate confirmation that socket-outlets meet the critical “go” criteria for compatibility and safety.
Specifications
• Compliance standard: BS 546 (“Two-pole and earthing-pin plugs, socket-outlets and adaptors. Specification”) Figure 5
• Gauge type: Minimum Go gauge (for socket-outlet dimensional and structural verification)
• Material hardness: Over 50HRC
• Material thermal expansion coefficient: Low
• Key attributes (dimensions, tolerances, material, surface roughness): Fully compliant with BS 546 standard requirements
• Dimensional stability: Stable and reliable due to low thermal expansion coefficient
• Design: Precision-engineered to match the minimum acceptable size parameters for socket-outlets as specified in the standard
Test Procedures
• Prepare the socket-outlet sample for testing, ensuring it is free from damage, debris, deformation, or wear that could impact test accuracy.
• Inspect the minimum Go gauge to confirm its surface is clean, free from scratches or misalignment, and all specifications meet BS 546 Figure 5 requirements.
• Align the gauge with the socket-outlet’s contact slots and structural features, ensuring proper positioning in accordance with the standard’s guidelines.
• Attempt to insert the gauge into the socket-outlet smoothly, verifying that the gauge can fully engage without excessive force (core “go” gauge testing principle).
• Check for proper seating of the gauge within the socket-outlet, confirming that the socket’s internal dimensions meet the minimum acceptable standards.
• Ensure there is no binding, resistance, or incomplete insertion that would indicate dimensional non-compliance.
• Record the test results comprehensively, indicating whether the socket-outlet successfully meets the “go” criteria and complies with BS 546 standards.
Applications
• Dimensional and structural compliance testing of socket-outlets to verify adherence to BS 546 Figure 5 requirements.
• Quality control processes in the electronics industry for socket-outlet components.
• Compliance verification in the electrical appliance industry to ensure the safety and compatibility of socket-outlets with BS 546-compliant plugs and adaptors.
• R&D and production quality assurance for manufacturers of two-pole and earthing-pin socket-outlets.
• Conformity assessment for electrical component manufacturers requiring adherence to BS 546 standards.
• Routine inspection of socket-outlets in commercial, industrial, or residential applications relying on BS 546-compliant electrical systems.
• Pre-market and pre-shipment quality checks to ensure socket-outlets meet regulatory and market access requirements for BS 546 compliance.

Minimum GO Gauge for Socket-Outlet of BS 546 Figure 5