Electricity Today T&D Magazine

 How Smart Grid technologies can become an electrical hazard to rescue workers

Smart Grid technologies have risen to prominence in North America. Media outlets, industry experts, vendors, and utilities all echo the same positive sentiments regarding a digitized power grid. However, new technologies can also introduce new hazards. Roy Burch, Manager of Loss Prevention and Environmental Compliance, for Guelph Hydro Electric Systems Inc., a distribution utility for the city of Guelph, Ontario, has actively reached out to first responders in an effort to educate them about the electrical hazards posed by new technologies such as solar panels and electric vehicles.

...

On Distribution, Transmission or Substation equipment, testing for presence or absence of nominal voltage is mandated specifically by OSHA rule 1910.269(n)(5) which states “Testing. The employer shall ensure that, unless a previously installed ground is present, employees test lines and equipment and verify the absence of nominal voltage before employees install any ground on those lines or that equipment.”

The Bevins Company in Tulsa, Oklahoma has developed two new voltage indicators incorporating the latest technology which connects the voltage indicator to a remote smart device through Bluetooth® communication. This allows real-time remote monitoring of the voltage reading in both analog...