Level 3 work instruction
NR/L3/TEL/30074
Specification for the Maintenance of Telecommunication Earths and Screening Systems (Formerly NR/L2/TEL/30074)
Issue 3, 03 September 2011 · Housings, earthing & masts
Clause map — what each clause deals with
| 1 | Purpose | Maintenance requirements for telecoms earths and screening systems |
| 2 | Scope | Applies to all maintaining telecoms earths and screening |
| 4 | Responsibilities | Maintainer precautions |
| Appendix B | Lineside Fast Transient Earth Systems | Lineside fast transient earth (FTE) systems |
| Appendix C | Testing of Mutual Screening Conductor Earth System | Testing mutual screening conductor earth systems |