Jim White from Shermco Industries delves into Critical Maintenance for Circuit Breakers: Circuit breakers aren’t much fun. They don’t do a whole lot; just open contacts and close contacts. Pretty boring. However, if a breaker doesn’t operate when it’s supposed to, life can get very exciting! This paper will cover common maintenance problems and mistakes that…

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Type “U” Bushings… So What’s the Concern About? Up-to-the-Minute News About Type “U” Transformer Bushings from ABB Contact including:  Identifying Type “U” Bushings, Migrating Ink leads to Corona action an d Top Terminal Overheating “Criteria for Concern” Update with Refurbishment Recommendations Bushing Guidelines and Dealing with PCB Contamination Type “T” Bushings

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