# Service lines: Copper.

**Citation:** 49 CFR 192.377  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Each copper service line installed within a building must be protected against external damage.

## Document text

Each copper service line installed within a building must be protected against external damage.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.377>
- Source ID: `ecfr`
- SHA-256: `c5185a315492805338fc67f9b696787e3ba9dd2de9c6baccebd8e4e85412549c`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-23T02:21:26.714Z
- Document slug: `49-cfr-192-377`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.377",
  "subpart": "Subpart H—Customer Meters, Service Regulators, and Service Lines",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```