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這個(gè)沒有要求啊

在UL要求的印字距離規(guī)定的范圍之類即可。

間隔都是不大於1m

UL沒有規(guī)定印字的距離。

除非你還印上其他非UL要求的字體，那就有至少1/4寸的距離規(guī)定（如果沒記錯(cuò)）。

準(zhǔn)確的說，758印字間距不可超過40INCH（1.02m）,具體的標(biāo)準(zhǔn)如下：UL758FUIIL22 _L22

As specified in UL 758, the date marking of the cable may be printed
legibly on the cable, in lieu of printing on the tag. Tags will state “See
Surface Print for Manufacturing Date”. The date code shall follow the “month
and year” or “month, day and year” sequence (e.g. “10/01”, “Oct 01”,
“10/31/01” or “Oct. 31, 01”, etc.), and shall be repeated at intervals of no
greater than 40 inches (1.02 meters) unless otherwise stated in the Follow-Up
Service Procedure. The date shall be shown in plain language, not in code.