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PLFA run exposed horizontal above 7ft

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Location
Pennsylvania
Occupation
Fire Alarm Design
PLFA run exposed horizontal above 7ft across a ceiling need to be secured to independent support wires. At what distance intervals must a secure strap be placed. I need a code reference.
 

infinity

Moderator
Staff member
Location
New Jersey
Occupation
Journeyman Electrician
Some places have local amendments, in NYC the maximum distance between supports is 5'.
 
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