Electronic Components, Assemblies and Materials Association
Status
Latest
ECA 348-1968
Scope
he purpose of this standard is to eliminate confusion, by providing definitive statements of the conventions involved in determining the polarity of a magnetic field, and by describing basic practical methods that may be used, with necessary precautions.
ECA 348-1968 history
1968ECA 348-1968 Magnetic Field Polarity, Including Definitions and Determination of Polarity