(1) The secondary side of a non-current transformer must remain open during operation, except for the case of a low-current transformer. Leaving the secondary winding open is essential to prevent dangerous voltage buildup and ensure safe operation.
(2) When dealing with the secondary winding of a current transformer, it is mandatory to use a proper short-circuiting device or clamp. Never attempt to wrap the winding with wires, as this can cause serious damage to the equipment and pose a risk to personnel.
(3) Before performing any work on the circuits or wiring between the current transformer and the short-circuit terminal, strict safety measures must be implemented. A detailed secondary work safety measure form should be completed and followed carefully to prevent accidental exposure to high currents.
(4) During any maintenance or testing activities, it is strictly prohibited to disconnect the permanent grounding point of the circuit. This grounding is crucial for protecting both equipment and personnel from electrical faults and potential shocks.
(5) When working with current transformers, there must always be a dedicated supervisor present. Use only insulated tools and ensure that the worker is standing on an insulating mat to minimize the risk of electric shock and improve overall safety.
These precautions are essential in maintaining a safe working environment when handling current transformers and related electrical systems. Always follow established protocols and prioritize personal and equipment safety at all times.
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