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Topic: 386.10 (1), WireMold and What is a dry location

User: mphillipps, Location: Massachusetts

Asked on: Saturday, April 16, 2011 at 5:44 pm EDT
Answered on: Tuesday, May 14, 2024 at 4:16 am EDT

Question: Would anyone consider a covered porch (entry to home) a dry location.I've been asked to correct items on a home inspection report. There's WireMold used to extend a front porch light to a second light. A run of 20 ft'.My first reaction was it's outside... replace it. But then it's covered ergo dry.Any thoughts?

A covered porch is not typically considered a dry location from an electrical safety standpoint. While it is protected from direct rain and snow, it is still exposed to moisture and humidity, as well as temperature fluctuations and UV radiation.The National Electrical Code (NEC) defines a dry location as one that is "not normally exposed to dampness or wetness." Covered porches are not specifically mentioned in the NEC, but they fall under the general category of "damp locations," which are defined as "locations protected from weather but subject to moderate degrees of moisture."WireMold is a type of electrical conduit that is surface-mounted and is not designed for use in damp locations. It is not waterproof and can be damaged by moisture and UV radiation.Therefore, it is not appropriate to use WireMold to extend a light fixture on a covered porch. You should replace the WireMold with a type of conduit that is rated for damp locations, such as PVC conduit or EMT conduit. Flag for review

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