STB PDF

Copper-clad aluminium conductors in insulated cables. Original standard BS 4990-1973 in PDF full version. Additional info + preview on request

Document status: Withdrawn

General requirements for rotating electrical machines - Specification for rating and performance. Original standard BS 4999-101-1987 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS EN 60034-1-2010

General requirements for rotating electrical machines - Methods for determining losses and efficiency from tests (excluding machines for traction vehicles). Original standard BS 4999-102-1987 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS EN IEC 60034-2-1-2024

General requirements for rotating electrical machines - Classification of degrees of protection provided by enclosures for rotating machinery. Original standard BS 4999-105-1988 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS EN IEC 60034-5-2020

General requirements for rotating electrical machines - Classification of methods of cooling. Original standard BS 4999-106-1987 in PDF full version. Additional info + preview on request

Document status: Replaced by

General requirements for rotating electrical machines - Specification for symbols for types of construction and mounting arrangements. Original standard BS 4999-107-1987 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS EN IEC 60034-7-2022