Surge arresters – Part 4: Metal-oxide surge arresters without gaps for a.c. systems
IEC 61109
Insulators for overhead lines- Composite suspension and tension insulators for a.c. system with a nominal voltage greater than 1000 V- Definition, test methods and acceptance criteria Inclusion – Clause 12 Sample Tests
IS 3070 Part-1
Surge Arresters for Alternating Current Systems – Part 1 : Non-linear Resistor Type Surge Arresters
IS 3070 Part-2
Lightning arresters for alternating current systems: Part 2 Expulsion type lighting