1. National Fire Protection Association: NFPA 750 (2023) Technical report
2. European Committee for Standardization: EN 14972-1 (2020) Technical report
3. British Standards Institution: BS 8489-1 (2016) Technical report
4. UL: UL 2167 (2011) Technical report
5. Interstandard Russia: GOST R 51043 (2002) Technical report