This standard specifies insulation resistance testing methods and dielectric strength testing methods (hereinafter referred to as "tests") for newly manufactured railway vehicles. However, this does not apply to testing of equipment or parts alone.
JIS E 4014:2007 history
2012JIS E 4014:2012 Rolling stock -- Test methods for insulation resistance and withstand voltage
2007JIS E 4014:2007 Rolling stock -- Test methods for insulation resistance and withstand voltage
1989JIS E 4014:1989 Test methods for insulation resistance and withstand voltage of railway rolling stock