NEN 11050-1993 IEC 1050-1991+k勘误表-1992．3（修改） 空载输出电压超过1000V的管形放电灯用变压器规范（一般叫做氖管变压器）．一般要求和安全要求规范
Transformers for tubular discharge almps having a no-load output voltage exceeding 1000 V (generally called neon-transformers). General and safety requirements (IEC 1050:1991+Corrigendum March 1992, modified)