---
title: "Photo of the Week: Corrosion"
description: "Photo of the Week: Corrosion"
---

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# [Photo of the Week: Corrosion](https://www.purepower.com/blog/photo-of-the-week-corrosion)

 Written by [Rick Ivins](https://www.purepower.com/blog/author/rick-ivins) | Aug 26, 2013 6:41:46 PM

 NEMA 3R and 4 inverters and outdoor cabinets may be rated for outdoor use, but any scratches in the paint will expose the metal to rusting. Once the rust gets a foothold, it will quickly spread. In this case, the corrosion should be sanded, primed, and painted.

[View full post](https://www.purepower.com/blog/photo-of-the-week-corrosion)

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