Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 139,009 pages of information and 225,314 images on early companies, their products and the people who designed and built them.
GEC High Voltage Switchgear was a subsidiary of GEC.
1978 GEC Switchgear Ltd became GEC High Voltage Switchgear Ltd
1985 Became GEC Switchgear Ltd