Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB's). Part 2-1. Applicability of the general rules to RCCB's functionally independent of line voltage
State system for ensuring the uniformity of measurements. National standard. Standard reference data. Materials for standard LTEC. Graphite GIP-4. Linear temperature expansion coefficient for the temperature range from 20 °C to 2500 °C
