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MSHA Alert: Electrical Safety
Posted By Amanda Bayhi On December 6, 2013 @ 12:09 pm In Aggbeat Online,MSHA Alerts,News,Regulatory | No Comments
The Mine Safety and Health Administration (MSHA) has released the investigation report on a November 18, 2013, fatality at a crushed stone mine. The incident involved a 33-year-old contract electrician foreman with 14 years of experience who was injured when he contacted energized conductors after pulling cable for a new pump that was being installed while working on a 480-volt electrical enclosure. He died four days later in a hospital.
MSHA recommends the following best practices for working with electricity:
Ensure that persons are trained on all electrical tests and safety equipment necessary to safely test and ground the circuit where work is to be performed.
Positively identify the circuit on which work is to be conducted.
De-energize power and ensure that the circuit is visibly open for circuits being worked on and circuits near the work area.
Lock and Tag! Place YOUR lock and tag on the disconnecting device.
Use properly rated Personal Protective Equipment (PPE) including Arc Flash Protection such as a hood, gloves, shirt, and pants.
Ensure ALL electrical components in the enclosure are de-energized by testing for voltage using properly rated test equipment.
Install warning labels on the terminal covers of bottom feed circuit breakers warning that “Bottom terminal lugs remain energized when the circuit breaker is open.”
To view the full accident report, click here .
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 click here: http://www.msha.gov/FATALS/2013/FAB13m18.asp
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