Level 2 specification
NR/L2/TEL/31114
Product Specification for Telecoms Jumper Wire
Issue 1, 1 December 2008 · Copper design & immunisation
Product spec for the twisted-pair copper jumper wire used on NR telecoms frames: based on a BT spec, with tinned conductors and black banding on the insulation so compliant wire can be recognised. The colour code for which jumper to use is in NR/WI/TEL/00113 (formerly RT/E/WI/00113)
Clause map — what each clause deals with
| 1 | Purpose | Product spec for single twisted-pair telecoms jumper wire |
| 2 | Scope | Based on a BT COTS spec with NR additions |
| 3 | Definitions | Definitions |
| 4 | Specification | The baseline BT spec (CW1423) plus NR's extras: tinned conductors and a black band marking on each leg. For jumper colours by circuit type see NR/WI/TEL/00113 |
| 5 | Product Approval | How a jumper wire product gets approved, with the compatibility and insulation tests in Appendix A |