North American Product Classification System (NAPCS) Canada 2017 Version 2.0
- 623 - Civil engineering works
- 62341 - Communications networks
- 623411 - Communications networks
- 6234111 - Telecommunications transmission cables and lines (except optical fibre)
- 6234112 - Telecommunications transmission optical fibre cables
- 6234113 - Telecommunications transmission support structures
- 6234114 - Other communications networks
- Date modified: