1号更新已作为加拿大国家标准发布。该PDF包含1号更新。这是通用的ANCE、CSA和UL保险丝座标准——第9部分:K类。它是NMX-J-009/4248/9-ANCE的第一版，CSA C22的第一版。2第4248.9号和第一版UL 4248-9.1.1范围1。1.2这些要求包括拟与NMX-J-009/248/9-2000-ANCE、CSA C22中所述K类保险丝一起使用的保险丝座。2号248.9，UL 248-9，低- 电压熔断器.第9部分:K类熔断器。

Update No. 1 was published as notification that this is now a National Standard of CanadaThis PDF includes Update No. 1PrefaceThis is the common ANCE, CSA, and UL standard for Fuseholders - Part 9: Class K. It is the first edition of NMX-J-009/4248/9-ANCE, the first edition of CSA C22.2 No. 4248.9, and the first edition of UL 4248-9.1.1 Scope1.1.2 These requirements cover fuseholders intended for use with Class K Fuses as described in NMX-J-009/248/9-2000-ANCE, CSA C22.2 No. 248.9, UL 248-9, Low-Voltage Fuses - Part 9: Class K Fuses.