Can you strap 24VDC wire to EMT?


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Old 11-05-20, 10:27 AM
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Can you strap 24VDC wire to EMT?

I have a ~ 5' short run of landscape wire to run from a JBox on the roof to a DC shutoff switch on an outside wall. Does it have to run through conduit, or can I ziptie it to the 1" EMT? I know you can staple it to outside walls....
 
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Old 11-05-20, 01:39 PM
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I see no problem tying it to the conduit.
 
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Old 11-05-20, 02:33 PM
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Zip-tying to conduit is commonly done but technically a violation if your landscape wire is for power, not control.
 
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Old 11-08-20, 03:21 AM
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This is a NEC violation. Raceways cannot support other wiring methods.
 
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Old 11-08-20, 08:14 AM
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OK. So it's running from an inverter in my garage to a DC shutoff control switch for firemen outside, and from that switch to rapid multiple shutdown switches on rooftop solar panels.

1. The run from inverter to main switch has to be in conduit.
2. The run from the outside main shutoff switch to the rooftop subswitches does not need conduit.

Correct?

 
 

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