Chapter 20 Electromagnetic Compatibility 20.1 INTRODUCTION This chapter describes how to apply the latest Electromagnetic Compatibility (EMC) Standards to Transmission and Distribution Equipment. The subject of EMC comes under EMC Directive 89/336 EEC for all European Union (EU) countries. This is being replaced by a new version, 2004/108/EC, which is similar in many respects. In the USA the Federal Communication Commission (FCC) standards apply, elsewhere European