BS EN 50525-2-21:2011
电缆.额定电压为450/750 V (U0/U)及以下的低压能源电缆.一般应用电缆.交联人造橡胶绝缘软电缆
Electric cables. Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U). Cables for general applications. Flexible cables with crosslinked elastomeric insulation