UL 498 Figure SC 21.1 Standard Grounding Pin SB0704A

This UL 498 Figure SC 21.1 Standard Grounding Pin SB0704A is engineered to meet the precise dimensional and structural requirements specified in Figure SC 21.1 of the UL 498 standard for “Attachment Plugs and Receptacles.” This calibration component is essential for verifying grounding system performance and compliance in attachment plugs and receptacles, ensuring reliable electrical grounding functionality to prevent hazards including electrical shock and short circuits. With exacting dimensional specifications and surface finish requirements, this grounding pin enables accurate validation testing for manufacturers, testing laboratories, and R&D departments requiring UL 498 compliance certification.

Specifications

• Complies with UL 498 standard, specifically Figure SC 21.1 requirements for standard grounding pins
• Surface finish: 8 microinches for consistent testing performance and durability
• Grinding direction requirement for structural precision compliance
• Overall diameter: 0.5 inches (12.7 millimeters)
• Full spherical tip radius: 0.1845 inches (4.89 millimeters) for proper mating and contact in grounding tests
• Designed specifically for grounding performance verification of attachment plugs and receptacles

Test Procedures

• Prepare the attachment plug or receptacle sample according to UL 498 pre-test conditions, ensuring proper assembly and absence of visible damage
• Position the standard grounding pin on a stable, level testing platform with secure mounting to prevent movement during testing
• Align the sample’s grounding interface with the pin’s spherical tip following UL 498 Figure SC 21.1 dimensional guidelines