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Sherlock Ohms: Case of the Shocking Subcontractor |
 Sherlock
Ohms is a regular feature of Design News that presents
submissions from readers about troubleshooting challenges and how they
were solved. This story titled "The
Subcontractor Zapped the Network" addresses the dangers an unbalanced
3-phase load can cause when the neutral is improperly terminated. As
an electrician many, many moons ago, I encountered this scenario a couple
times during trouble calls to industrial locations. Also demonstrated
is the all-too-common problem of having mindless drones on staff.
Posted February
2013 |
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