NSC expo
Subscribe or Register
View Cart  

Earn recertification points from the Board of Certified Safety Professionals by taking a quiz about this issue.

What's Your Opinion?

What’s the most effective method for OSHA to help ensure worker safety?

Take the poll and add your comment.

Vote Results

OSHA issues warning on using defective circuit breakers

August 31, 2011

Tags
  • / Print
  • Reprints
  • Text Size:
    A A

Washington – OSHA on Aug. 31 issued a hazard alert warning employers to stop using certain incorrectly built circuit breakers.

The alert concerns Eaton/Cutler-Hammer molded-case circuit breakers with model numbers E²K and E²KM. OSHA said the third-party builder may have altered the circuit breakers by using incorrect parts that could cause a malfunction. According to OSHA, the rebuilt circuit breakers have incorrect voltage ratings on the covers and, because the covers do not meet the manufacturer’s specifications, they may lack proper safety features to prevent electrical shock, burns and fires.

Employers using the defective breakers should notify OSHA and have a qualified person shut off power and remove the breaker from service. Defective breakers should be replaced with one certified by a Nationally Recognized Testing Laboratory.

OSHA’s alert follows a similar notice (.pdf file) from the Mine Safety and Health Administration.

Post a comment to this article

Safety+Health welcomes comments that promote respectful dialogue. Please stay on topic. Comments that contain personal attacks, profanity or abusive language – or those aggressively promoting products or services – will be removed. We reserve the right to determine which comments violate our comment policy.