- Inactive-Withdrawn. IEEE Power Switchgear, Circuits & Fuses Standards Collection: VuSpec represents the most complete resource available for professional engineers looking for best practices and techniques covering design, construction and operation of devices or assembled gear to establish, interrupt, or change connections in any electric circuit under normal or abnormal conditions. Areas covered are: Automatic reclosers and sectionalizers Fuses and cutouts Gas-Insulated Switchgear (aka GIS) Switches, switchgear assemblies and devices Insulation, insulators and hardware for switchgear All buses included in switchgear assemblies Power circuit breakersIncludes 89 active IEEE Standards, Guides, Recommended Practices and Corrigendums in PDF format. The complete list of standards can be found at http://standards.ieee.org/findstds/prod/cds/switchcircfuses.pdf. LICENSING: SINGLE-USER EDITION: THIS PRODUCT IS LICENSED FOR ONE USER ONLY.