How Many Arc Flash Labels on Equipment?

Question of the Week

Some equipment may have multiple arc flash labels for a variety of reasons.

• Different operating configurations
• Equipment is long/large – including busway
• Equipment has different incident energy for main/feeders such as some switchgear.

There may be other reasons as well.

This week’s question:

What is the greatest number of arc flash labels you have seen/used on electrical equipment?
1
2
3
More than 3 (how many?) ANSWER