Using bare stranded copper wire for grounding to conduit or steel channel
US6455777B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Mar 20, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/0462
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical power distribution system including a hollow elongated enclosure such as flexible metal conduit, a modular furniture distribution, or similar enclosure has a plurality of elongated insulated conductors within the enclosure, and a plurality of wraps spaced along, and each surrounding, the plurality of insulated conductors. There is also a flexible electrical ground conductor having an exposed electrically conductive surface within the enclosure making electrical contact with the enclosure interior in a plurality of randomly distributed regions along the length of the enclosure thereby randomly grounding enclosure regions throughout the extent of elongation. The wraps may comprise strips of adhesive tape confining the plurality of insulated conductors in a bundle and excluding the flexible conductor from the bundle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.