: Offering recommendations that lead to uniform design practices, which reduces the complexity of selecting arresters for new installations.
If you are still unsure, contact the in your country (USA: ANSI; UK: BSI; Germany: DKE; Japan: JISC) with your exact technical question – they will direct you to the correct standard within 24–48 hours. iec 600995 pdf
Trade associations sometimes publish or application guides (e.g., Battery Council International for IEC 60095). These are free but non-normative. : Offering recommendations that lead to uniform design
: The dominant technology deployed in modern substations, adhering fundamentally to IEC 60099-4. adhering fundamentally to IEC 60099-4.