Stapling NM wires above suspended ceiling


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Old 09-29-11, 02:53 PM
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Stapling NM wires above suspended ceiling

I am in the process of adding outlets to a finished basement. Currently a few NM wires are laying across the topside of the supports for the suspended ceiling. I assume that I need to staple these wires to the joists, correct? If they do need to be stapled, is it OK to staple the wire to the bottom of the joists when the wire runs perpendicular to the joists? They are "protected" by the suspended ceiling.

Thanks in advance.
 
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Old 09-29-11, 04:08 PM
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Stapling them or running them through hoops or looms as a group would work. Main thing is to get them off the grid system and have them suspended fairly tightly to the joist work. Across the bottoms is fine unless you plan on a remodel without the drop ceiling.
 
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Old 09-29-11, 04:55 PM
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If they do need to be stapled, is it OK to staple the wire to the bottom of the joists when the wire runs perpendicular to the joists? They are "protected" by the suspended ceiling.
IIRC, NM-B cables (romex) above a suspended ceiling must be run through holes bored in the framing members and not stapled to bottom of the joists.
 
 

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