Copper conductor - Wikipedia

Copper wires in a cable may be bare ... expected of a typical splice closure in an enclosure that prevents the intrusion of liquid and vapor into the closure interior.

Cable coaxial - electrodh

Conductor interior sección: Ø1 mm: material: acero con baño de cobre: Atenuación nominal (a 800 MHz) 19 dB/100m: Diámetro exterior: ... Mini cable coaxial antena ...