Document :

ITU-T�SG 5� (Study Period 2017)� Contribution� 22

Title :

Proposed study on safety of bridging by SPD between primary and external circuit

Date :

2017-04-27

Source :

Nippon Telegraph and Telephone Corporation (NTT)

AI/Question :

Q2/5

Meeting :

2017-05-15

Access :

Restricted to TIES users�[ITU-T]