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What is electromechanical equipment?

1. mechanical and electrical equipment generally refers to machinery, electrical appliances and electrical automation equipment. In construction, it refers to machinery and pipeline equipment except geotechnical, carpentry, steel bar and muddy water.

2. mechanical and electrical equipment are:

Lightning protection device: the combination of lightning receptor, down lead, grounding device, surge protector and other connecting conductors.

Lightning induction: Electrostatic induction and electromagnetic induction on nearby conductors during lightning discharge, which may cause electric sparks between metal parts.

Electromagnetic compatibility: The equipment or system has the ability to work normally in the electromagnetic environment and does not constitute an unbearable electromagnetic interference to anything in the environment.

Protective grounding: The exposed conductive part of the electrical device that is not charged when it is normal is connected to the protective line (PE line) or the protective neutral line (PEN line) according to the grounding type of the system, which is called protective grounding.

Surge protector: a device with nonlinear characteristics, used to limit the conduction of transient overvoltage in the line and cause surge current, and has nonlinear characteristics.

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