Specification for glass mica boards for electrical purposesWhat is BS 4145 Requirement for glass mica boards for electrical purpose about? BS 4145 specifies requirements for boards for electrical purposes, made from glass bonded mica powder, from 1 8 in (3. 2 mm) up to 1 2 in (12. 7 mm) in thickness. Two types of board are covered in BS 4145, both of which are incombustible. The boards have good resistance to arcing, good mechanical properties and can be machined provided suitable techniques are employed. The

Acronym index

The Ménard pressuremeter test is performed by the radial expansion of a tricell probe placed in the ground

which is dealt with in BS EN ISO 10079-1

as well as evaluation techniques

This is the second part of the international standard on radiographic testing of welds

the grades 16MnCrB 5

Access panels

construction and supply of transfer and special purpose machines

this document is applicable to polybutene (PB) piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water

Pressure and leak testing

7 Record keeping

The application of field testing results to design is also covered in BS EN 1997-2