John J Stewart
Member
What is the meaning of OPEN AIR and FREE AIR
Thanks Jeff
Thanks Jeff
John J Stewart
- Thread starter John J Stewart
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- Logan, Utah
Are you asking in regards to the Tables in Article 310?
Chris
Chris
John J Stewart
Member
Yes as to tables in 310
- Location
- Logan, Utah
Conductors installed in a raceway or cable would not be considered to be in free air.
Open wiring on insulators (Article 398) would be an example of conductors in free air.
Chris
Open wiring on insulators (Article 398) would be an example of conductors in free air.
Chris
John Paul
Member
- Location
- Norfolk, VA
Is that like Cable tray vs arial?
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