3 3753 Member Nov 29, 2005 #1 We have a stack at our plant that is approximate. 500 feet high. It gets hit by lightning many times throughout the year. I was looking for information on grounding and lighting protection for the stack. Minimum requirements??
We have a stack at our plant that is approximate. 500 feet high. It gets hit by lightning many times throughout the year. I was looking for information on grounding and lighting protection for the stack. Minimum requirements??
ryan_618 Senior Member Location Salt Lake City, Utah Nov 29, 2005 #2 Re: Lightning protection Take a look at the NFPA 780.
B bphgravity Senior Member Location Florida Nov 29, 2005 #3 Re: Lightning protection Perhaps the stack is currently providing lightning protection for the rest of the plant. [ November 29, 2005, 11:46 AM: Message edited by: bphgravity ]
Re: Lightning protection Perhaps the stack is currently providing lightning protection for the rest of the plant. [ November 29, 2005, 11:46 AM: Message edited by: bphgravity ]
tom baker First Chief Moderator & NEC Expert Staff member Location Bremerton, Washington Occupation Master Electrician Nov 29, 2005 #4 Re: Lightning protection Its not really an NEC issue. There are some references in Art 250 abouth the lighning earth terminals and the building electrical grounding system.
Re: Lightning protection Its not really an NEC issue. There are some references in Art 250 abouth the lighning earth terminals and the building electrical grounding system.