Who is responsible for evaluating and adding an Arc Flash warning label to panelboards. I went to a 1 hour seminar the other day and am more confused on the subject than before. What was presented in the seminar seemed to imply the engineering consultant or installer for the new panelboard is required to have the warning label installed and not the manufacturer of the panel. Also it was suggested to purchase a copy of IEEE Standard 1584 for arc flash calculations. That standard costs close to $600.00! Any suggestions where to go to get an understanding of the calculations required?
Arc Flash Warning Labels
- Thread starter bozosboss
- Start date
- Status
- Location
- Illinois
- Occupation
- retired electrician
Re: Arc Flash Warning Labels
The NEC does not require any arc flash calculations. 110.16 just requires a generic arc flash warning label. The selection of the correct PPE to work on or near energized equipment will require the calculations.
Don
The NEC does not require any arc flash calculations. 110.16 just requires a generic arc flash warning label. The selection of the correct PPE to work on or near energized equipment will require the calculations.
Don
- Location
- Bremerton, Washington
- Occupation
- Master Electrician
Re: Arc Flash Warning Labels
The label is to be field installed per 110.16, it could be the installer or end user. Arc flash labels are available for about $1.50 from T&B or Brady. If you look at the Mike Holt web site you will find a lot more information on Arc Flash and I have seen some free software.
The label is to be field installed per 110.16, it could be the installer or end user. Arc flash labels are available for about $1.50 from T&B or Brady. If you look at the Mike Holt web site you will find a lot more information on Arc Flash and I have seen some free software.
Re: Arc Flash Warning Labels
incident of energy due to arc flash is available in NFPA 70E 2004. It is essentially the performance standard used by OSHA for citing violations. There are several methods of calculation one within section 130 and the other in annex D. As was mentioned the installer is responsible for the application of the warning labels 110.16.
Sorry I had to take a call!
The proposal through the 1999 cycle wanted the manufactures to apply the warning labels I think the limit was at 50kA available.
The manufactures resisted this requirement stating that once the equipment left there custody they lost control of the conditions of installation.
The trade off has evolved into the language existing in the 05 NEC.
Every year approximately 8000 electricians are injured on the job.
around 2000 are shock or electrocution with about 400+ deaths. Many of the deaths result from burns from arc flash and ensuing infection, etc.
NFPA 70E IMO will become critical to future generations of electricians and needs to be a part of every lesson plan, safety meeting and everyone's work habits.
[ January 28, 2005, 04:35 PM: Message edited by: cpal ]
incident of energy due to arc flash is available in NFPA 70E 2004. It is essentially the performance standard used by OSHA for citing violations. There are several methods of calculation one within section 130 and the other in annex D. As was mentioned the installer is responsible for the application of the warning labels 110.16.
Sorry I had to take a call!
The proposal through the 1999 cycle wanted the manufactures to apply the warning labels I think the limit was at 50kA available.
The manufactures resisted this requirement stating that once the equipment left there custody they lost control of the conditions of installation.
The trade off has evolved into the language existing in the 05 NEC.
Every year approximately 8000 electricians are injured on the job.
around 2000 are shock or electrocution with about 400+ deaths. Many of the deaths result from burns from arc flash and ensuing infection, etc.
NFPA 70E IMO will become critical to future generations of electricians and needs to be a part of every lesson plan, safety meeting and everyone's work habits.
[ January 28, 2005, 04:35 PM: Message edited by: cpal ]
- Location
- Bremerton, Washington
- Occupation
- Master Electrician
Re: Arc Flash Warning Labels
IMO there are two standards that should be included with the NEC:
1. NFPA 70E
2. UL White Book.
I tell my students the 2002 NEC took a right turn, and there are many new safety requirements:
Arc Flash labels
Panic hardware on electrical rooms
Qualified person
Its the beginning of a new era.
IMO there are two standards that should be included with the NEC:
1. NFPA 70E
2. UL White Book.
I tell my students the 2002 NEC took a right turn, and there are many new safety requirements:
Arc Flash labels
Panic hardware on electrical rooms
Qualified person
Its the beginning of a new era.
pierre
Senior Member
- Location
- Westchester County, New York
Re: Arc Flash Warning Labels
"Its the beginning of a new era"
From Tom Baker
I absolutely believe we are in for some extensive changes in the next few code cycles. It will be interesting to see how they will be dealt with.
Example: Arc Fault Circuit Breakers
Pierre
"Its the beginning of a new era"
From Tom Baker
I absolutely believe we are in for some extensive changes in the next few code cycles. It will be interesting to see how they will be dealt with.
Example: Arc Fault Circuit Breakers
Pierre
ron
Senior Member
- Location
- New York, 40.7514,-73.9925
Re: Arc Flash Warning Labels
Not to completely help this tread go off topic, but how about instead of arc fault circuit breakers, breakers that purposely cause a three phase bolted fault when an arc is detected in switchgear. Now that's different.
http://www.squared.com/us/products/switchgr.nsf/07a0210021262d45862564b5006e4f84/8f175e93957152aa85256af00050d61b/$FILE/6055HO0101.pdf#search='Arc%20Terminator'
Not to completely help this tread go off topic, but how about instead of arc fault circuit breakers, breakers that purposely cause a three phase bolted fault when an arc is detected in switchgear. Now that's different.
http://www.squared.com/us/products/switchgr.nsf/07a0210021262d45862564b5006e4f84/8f175e93957152aa85256af00050d61b/$FILE/6055HO0101.pdf#search='Arc%20Terminator'
charlie
Senior Member
- Location
- Indianapolis
Re: Arc Flash Warning Labels
Tom and Charlie, I can't agree with you. The UL Whit Book is very important and I tell people that it is the "rest of your Code book". However, the Code doesn't need to be increased in size by that much. If there is a particular part that you want placed into the Code book, make a proposal (that is how 240.85 came into being).
NFPA 70E has nothing to do with building construction but with employee safety during building maintenance.
Sorry but they are, and should continue to be, separate documents. I do believe that everyone should have and use these documents though.
Tom and Charlie, I can't agree with you. The UL Whit Book is very important and I tell people that it is the "rest of your Code book". However, the Code doesn't need to be increased in size by that much. If there is a particular part that you want placed into the Code book, make a proposal (that is how 240.85 came into being).
NFPA 70E has nothing to do with building construction but with employee safety during building maintenance.
Sorry but they are, and should continue to be, separate documents. I do believe that everyone should have and use these documents though.
pierre
Senior Member
- Location
- Westchester County, New York
Re: Arc Flash Warning Labels
I do not think that Tom meant for the UL White Book and 70E to be incorporated into the NEC, they are good companion documents.
Pierre
I do not think that Tom meant for the UL White Book and 70E to be incorporated into the NEC, they are good companion documents.
Pierre
charlie
Senior Member
- Location
- Indianapolis
Re: Arc Flash Warning Labels
OH
OH
- Location
- Bremerton, Washington
- Occupation
- Master Electrician
Re: Arc Flash Warning Labels
Yes Pierre you are correct. 70E and the UL white book are two that are needed along with the NEC. The NEC is big enough already.
Yes Pierre you are correct. 70E and the UL white book are two that are needed along with the NEC. The NEC is big enough already.
charlie
Senior Member
- Location
- Indianapolis
Re: Arc Flash Warning Labels
Sorry guys, sometimes I read too much into a statement and come out with the wrong idea. :roll:
Sorry guys, sometimes I read too much into a statement and come out with the wrong idea. :roll:
benmcclung
New member
Re: Arc Flash Warning Labels
I am glad to see so many people interested in making workplace safer from Arc Flash Hazards.
The most effective way of calculating the arc flash (incident energy) is using IEEE-1584. It is incorporated into the commercial electrical software packages.
I am glad to see so many people interested in making workplace safer from Arc Flash Hazards.
The most effective way of calculating the arc flash (incident energy) is using IEEE-1584. It is incorporated into the commercial electrical software packages.
allenwayne
Senior Member
Re: Arc Flash Warning Labels
Ok how about that label on a meter that says do not paint and we get tagged for it being painted
Ok how about that label on a meter that says do not paint and we get tagged for it being painted
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