Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
€924.00
Standard Specification for Metallic Coated Stranded Steel Core for Use in Overhead Electrical Conductors
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Electromagnetic compatibility (EMC) - Part 4-30 : testing and measurement techniques - Power quality measurement methods
€184.00
Amendment 2 - Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
€88.00
Valves à thyristors pour le transport d'énergie en courant continu à haute tension (CCHT) - Partie 1 : essais électriques
€77.67
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT systems
€176.00
Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare
Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
€473.00
Standard Specification for Zinc-Coated (Galvanized) Steel Core Wire for Use in Overhead Electrical Conductors
Standard Specification for Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures -- Part 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems
€65.00
Energy management system application program interface (EMS-API) Common services
€316.00
Standard Specification for Compact Round Concentric-Lay-Stranded Aluminum 1350 Conductors
