# Interference currents.

- **operation:** document
- **citation:** 49 CFR 193.2633
- **title:** Interference currents.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (a) Each component that is subject to electrical current interference must be protected by a continuing program to minimize the detrimental effects of currents.

(b) Each cathodic protection system must be designed and installed so as to minimize any adverse effects it might cause to adjacent metal 
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2633.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2633.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2633
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2633
**body:**

(a) Each component that is subject to electrical current interference must be protected by a continuing program to minimize the detrimental effects of currents.

(b) Each cathodic protection system must be designed and installed so as to minimize any adverse effects it might cause to adjacent metal components.

(c) Each impressed current power source must be installed and maintained to prevent adverse interference with communications and control systems.
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- **body characters:** 458