1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 Voltages
1.5 Classification of the voltage bands
2 Trolley bus construction
2.1 Protection and electrical safety criteria
2.2 Electrical components in band III voltage (high voltage)
2.3 Electric traction equipment
2.4 Emergency running equipment (independent from OHL)
2.5 Electrical components in band II voltage (medium voltage)
2.6 Electrical components in band I voltage (low voltage)
3 Checks and tests
3.1 General
3.2 New trolley-vehicles
3.3 Overhauled trolley-vehicles
3.4 On-duty trolley vehicles (periodical checks)
3.5 Leakage detectors
Annex A (normative) Constructional detailed provisions
Annex B (normative) Trolley buses - Connection system to
overhead contact lines
Annex C (normative) Constructional hints for connection systems
Bibliography