This part provides guidance for LEMP protection of information technology equipment (ITE) in existing buildings, and proposes LEMP protection methods applicable to ITE in new buildings.
GB/T 19271.4-2005 Referenced Document
GB/T 16895.16-2002 Electrical installations of buildings--Part 4: Protection for safety--Chapter 44: Protection against overvoltages--Section 444: Protection against electromagnetic interferences(EMI) in installations of buildings
GB/T 17626.10-1998 Electromagnetic compatibility--Testing and measurement techniques--Damped oscillatory magnetic field immunity test
GB/T 17626.5-1999 Electromagnetic compatibility--Testing and measurement techniques--Surge immunity test
GB/T 17626.9-1998 Electromagnetic compatibility--Testing and measurement techniques--Pulse magnetic field immunity test
GB/T 19271.1-2003 Protection against lightning electromagnetic impulse--Part 1: General principles
GB/T 19271.4-2005 history
2005GB/T 19271.4-2005 Protection against lightning electromagnetic impulse(LEMP)-Part 4:Protection of equipment in existing structures