1. BS EN 50470-4. Electricity metering equipment. Part 4. Particular requirements. Static meters for DC active energy (class indexes A, B, C) (21st September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. BS EN 60335-2-17. Household and similar electrical appliances. Part 2-17. Particular requirements for blankets, pads, clothing and similar flexible heating appliances (25th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (63 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Electricity metering equipment. Particular requirements. Static meters for DC active energy (class indexes A, B and C) Part 4, (15th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗