External and internal lightning protection

External and internal lightning protection

One , GB50343 " Building an electronic information system lightning protection technical specifications" explanation: collectively external and internal lightning protection devices.

1, the external lightning protection devices: by air terminals , deflectors and grounding devices composed mainly by guards against direct lightning strikes .

2, the internal lightning protection devices : the equipotential bonding system , common ground systems, shield systems, reasonable wiring systems, surge protection, and other components, mainly used to reduce and prevent the electromagnetic effects of lightning current in the space generated by the need to prevent .

Two , GB50057-94 " Lightning in design " explanation is : air terminals , deflectors , grounding devices ,surge protectors and other connecting conductor combined.

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