One proposal was submitted to the NFPA 70E committee:

15-160 NFPA 70E Public Input No. 180-NFPA 70E-2015 IEEE 3000 standards references

The committee rejected the proposal as explained here (Public Input No. 180):

http://www.nfpa.org/Assets/files/AboutTheCodes/70E/70E_A2017_EEW-AAA_PI_responses.pdf

https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=70E&tab=nextedition

https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=70E&tab=nextedition

https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=70E&tab=nextedition