Clearance and creepage errors are commonly discovered by product safety engineers. But undetected clearance and creepage problems can result in product recalls and warranty expenses. At worst they could lead to injury with resulting litigation and damage to your company’s reputation.

Clearance and creepage analysis is all about ensuring that sufficient insulation is provided so that electrical current will not jump between two conductive parts, potentially causing injury or damage. More specifically, clearance analysis identifies the shortest path between two conductive parts or between a conductive part and the outer surface of an enclosure when the distance is measured through air. Creepage analysis identifies the shortest path along the surface of the insulation.

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From: PTC Express (www.ptc.com)