Manufacturer name, certification mark, specifications and models, conductor material, length mark, production date, rated voltage.

1. Manufacturer’s name: The name and trademark of the manufacturer must be on the wire.

2. Certification mark: The wire must have the China Compulsory Product Certification Mark (CCC certification) and the production license number.

3. Specifications and models: The specifications, models and rated voltage of the wires should be marked on the wires.

4. Conductor material: The conductor material should be marked on the wire, such as copper core and aluminum core.

5. Length mark: The length of the wire should be marked on the wire, in meters.

6. Production date: The production date and production batch number should be marked on the wire.

Rated voltage: The rated voltage of the wire should be marked on the wire, in volts (V).