Materials:

Banana Plugs:
Plug Bodies: Brass, Nickel Plated
Springs: Beryllium Copper, Nickel Plated
Insulation: Polypropylene Molded to the Plug Bodies and Cable. Color Matches Color of Cable
Marking: POMONA ELECTRONICS CO. INC. POMONA CALIFORNIA
Cable: 2BA: 2 Cond. Tw. 18 AWG 65 x 36 .250 (6,4) O.D., Color: Gray, Marking: 2BA-XX
2BC: RG58C/U, .195 (5,0) O.D., Color: Black, Marking: 2BC-XX

Ratings:

Operating Temperature: +55°C Max.
Operating Voltage: 2BA – 300 VRMS, 2BB – 1900 VRMS, 2BC – 1400 VRMS