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Electrical - Is This A Violation of the NEC?

The only section I'm aware of that is definitely applicable is NEC 314.29. If you can remove the cover and access the wiring inside without having to modify that valve, that would comply with NEC 314.29.

There's also 110.26, which the configuration shown obviously doesn't comply with, but junction boxes generally don't have to comply with 110.26. I'm not familiar with fire alarm systems, so I suppose that junction box might contain something unusual that would trigger the 110.26 requirements.

Cheers, Wayne
 
jar546 said:
Junction boxes must be accessible but not readily accessible. There is no violation of the NEC.
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Unless that junction box contains some piece of equipment that is deemed to be subject to 110.26. The scope of section 110.26 is not super precise and the interpretation of when it applies is often a subject of disagreement, so it is certainly possible.

Cheers, Wayne
 
wwhitney said:
Unless that junction box contains some piece of equipment that is deemed to be subject to 110.26. The scope of section 110.26 is not super precise and the interpretation of when it applies is often a subject of disagreement, so it is certainly possible.

Cheers, Wayne
Click to expand...
What if there are low voltage wires and house voltage wires in the same box?
 

Accessibility for Non-hazardous Locations: NEC 314.29​

Section 314.29 specifies the requirements for junction boxes used in non-hazardous locations. Junction boxes should be accessible for inspection, maintenance and repair jobs. The location must allow for safe operation and maintenance and be free from any obstructions.

Junction boxes must be securely supported to prevent them from coming loose or moving. In addition, they have to be supported by framing, clamps or other similar supports.

Box covers must be securely fastened to prevent accidental contact with live conductors. The covers should be closed with screws or something similar. They should press firmly against the surrounding surface and extend past the edge by
 
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