JIS B 9960-31:2004

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This part of JIS B 9960 applies to the application of electrical and electronic equipment to sewing machines, units and systems, designed specifically for professional use in the sewing industry. The equipment covered by this part of JIS B 9960 commences at the point of connection of the supply to the electrical equipment of the machine. This part of JIS B 9960 is applicable to the electrical equipment or parts of the electrical equipment which operate with nominal supply voltages not exceeding 1000V for alternating current and not exceeding 1500V for direct current, and with nominal frequencies not exceeding 200Hz. It does not cover all the requirements (e.g. guarding, interlocking, control) that are necessary to safeguard persons from hazards other than electrical hazards and which are specified in other standards. This part applies to sewing units and systems which are installed in dry and well-kept clean locations and which process dry sewing material, as in the clothing industry. Where sewing units and systems are used in other than dry and well-kept clean locations, more stringent measures may be necessary, which need to be agreed

Reaffirmed 2010