My website shares some free BS standards.Of course,you can find BS standards list here.Have a lucky day.
BS ISO 17850:2015 pdf free download
BS EN 16452:2015 pdf free
BS EN 15947-2:2015 pdf free
BS EN 61347-1:2015 pdf free download
BS/ISO 4586-6-2015 pdf free
BS EN ISO 23277:2015 pdf free download
BS EN 13611:2015 pdf free download
BS EN 12697-6:2020 pdf free download
BS ISO 2790:2020 pdf free
BS EN ISO 16903:2015 pdf free download
IEEE C57.94-2015 pdf free
IEEE C57.12.91-2020 pdf free
IEEE 3003.1-2019 pdf free
IEEE C57.12.00-2006 pdf free