How to select special connecting wires for equipment?

Confirm working temperature: select high temperature resistant silicone wire for heating equipment; select conventional PVC electronic wire for normal temperature.
Confirm voltage and current: select appropriate wire gauge according to power load.
Confirm environment: oil-resistant, waterproof, shielding and flame retardant wires shall be selected according to on-site environment.
Confirm certification: export equipment preferentially chooses UL certified wires.