... 10,6,30 electric meter box 2.Rated 50, 60 hz frequency of three-phase ac: 35kV 3.With high precision, light ... weight JLS-10-6-30 High-pressure Electric Meter Box Summary:1.High-pressure electric meter box, unworthy calculation combined transformer says, ... applicable indoor), is a direct measurement of the high-voltage lines meritorious electric measuring equipment.2.Rated 50, 60 hz frequency ...