We will be carrying out essential maintenance activity on this website on Saturday 1st August between 0600 and 1300 UK time. You might experience some brief interruption or loss of some functionality. We apologise for any inconvenience this may cause.

BS EN IEC 63171:2021 Connectors for electrical and electronic equipment. Shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current-carrying capacity. General requirements and tests - (Withdrawn Standard)

Comment on proposal

Required form fields are indicated by an asterisk (*) character.


Please email further comments to: admin.start@bsigroup.com

Follow standard

You are now following this standard. Weekly digest emails will be sent to update you on the following activities:

You can manage your follow preferences from your Account. Please check your mailbox junk folder if you don't receive the weekly email.

Unfollow standard

You have successfully unsubscribed from weekly updates for this standard.

Error