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raceway fill percentage

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td3201

New member
Location
Omaha
I am running a straight conduit (no bends) about 15 ft for cat6 ethernet cabling. Is the 40% fill rule a rule or guideline?
 
hbiss

hbiss

EC, Westchester, New York NEC: 2014
Location
Hawthorne, New York NEC: 2014
Occupation
EC
If you subscribe to data cabling being covered by Art 725 then 40% max fill is a requirement.
If you subscribe to data cabling being covered by Art 800 then 40% max fill is a recommendation.

-Hal
 
J

JFletcher

Senior Member
Location
Williamsburg, VA
Welcome to the forum.

td3201 said:
I am running a straight conduit (no bends) about 15 ft for cat6 ethernet cabling. Is the 40% fill rule a rule or guideline?
Click to expand...

What Hal wrote. Also, if you want the mfg warranty, or have to abide by TIA/EIA specs, then 40% is it. If you're worried about it, use another conduit or larger size.
 
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