Technical Articles

Arc Flash – Working safely in accordance with the requirements of the Electricity at Work Regulations 1989 is about decision making. This includes the decision to work live in the first place through risk assessment. One of the factors that would need to be taken into account in deciding whether live proximity work could proceed is stated in the memorandum of guidance to the EAW Regulations “the level of risk involved in working live and the effectiveness of the precautions

Arc Flash Hazard – Working safely in accordance with the requirements of the Electricity at Work Regulations 1989 is about decision making. This includes the decision to work live in the first place through risk assessment. One of the factors that would need to be taken into account in deciding whether live proximity work could proceed is stated in the memorandum of guidance to the EAW Regulations “the level of risk involved in working live and the effectiveness of the

This is the third article in a three part series about how to perform an arc flash study that was published in the December 2007 Edition of NFPA’s NEC Digest Magazine. The series breaks the arc flash study process down into individual steps. How to Perform an Arc Flash Study – Part 3 of 3

Arc Flash – This is the second article in a three part series about how to perform an arc flash study that was published in the October 2007 Edition of NFPA’s NECDigest Magazine. The series breaks the arc flash study process down into individual steps. How to Perform an Arc Flash Study – Part 2 of 3

This is the first article in a three part series about how to perform an arc flash study that was published in the August 2007 Edition of NFPA’s NEC Digest Magazine. The series breaks the arc flash study process down into individual steps. How to Perform an Arc Flash Study – Part 1 of 3

Like many kids growing up in the 1960’s, I was obsessed with America’s space program. I would watch launches and ultimately the moon landing on television, build and fly model rockets and dream about what it would be like to be out in space. Earlier this year, I had the opportunity to go behind the scenes at the Kennedy Space Center (KSC) in Florida and actually see what it takes to make it all happen. I was given access to

Recently, I had the opportunity to go behind the scenes of an ethanol production facility and see that power distribution system as well as see how it all works.  Electricity requirements for ethanol production average 0.75 kWh per gallon.  Some facilities have production capacity over 100 million gallons per year and electricity is a major cost component.  Large facilities are served at medium voltage at 12.47 to 13.8 kV Ethanol Production