NEN EN 50164-3 : 2006 AMD 1 2009

1 Scope
2 Normative references
3 Definitions
4 Classification
5 Requirements
  5.1 General
  5.2 Environmental requirements
  5.3 Installation instructions
  5.4 Lightning current carrying capability
  5.5 Rated impulse spark over voltage
  5.6 Rated withstand voltage
  5.7 Isolation resistance
  5.8 Marking
  5.9 UV resistance
6 Tests
  6.1 General
  6.2 Electrical test
  6.3 Marking test
7 Electromagnetic compatibility (EMC)
Annex A (normative) Conditioning of ISG's
Annex B (normative) Flow chart of tests

Describes the requirements and tests for isolating spark gaps (ISG) for lightning protection systems.