D Davebones Senior Member Location North Of Tampa Fl Oct 8, 2010 #1 Where does it say a electrical system should have a study done about every 5 years ? I thought I saw someone put that out here...
Where does it say a electrical system should have a study done about every 5 years ? I thought I saw someone put that out here...
J jim dungar Moderator Staff member Location Wisconsin Occupation PE (Retired) - Power Systems Oct 8, 2010 #2 Davebones said: Where does it say a electrical system should have a study done about every 5 years ? I thought I saw someone put that out here... Click to expand... It is part of NFPA70E-2009. The NEC is mute on this issue.
Davebones said: Where does it say a electrical system should have a study done about every 5 years ? I thought I saw someone put that out here... Click to expand... It is part of NFPA70E-2009. The NEC is mute on this issue.
zog Senior Member Location Charlotte, NC Oct 8, 2010 #3 Davebones said: Where does it say a electrical system should have a study done about every 5 years ? I thought I saw someone put that out here... Click to expand... That was me. 70E requires the study to be updated whenever a modifacation is done to your system, and should be reviewed periodically, not to exceed every 5 years, to account for changes in the system that could effect the arc flash analysis. Article 130.3
Davebones said: Where does it say a electrical system should have a study done about every 5 years ? I thought I saw someone put that out here... Click to expand... That was me. 70E requires the study to be updated whenever a modifacation is done to your system, and should be reviewed periodically, not to exceed every 5 years, to account for changes in the system that could effect the arc flash analysis. Article 130.3