Materials:

Double Banana Plug:
Plug Bodies: Brass, Nickel Plated
Springs: Beryllium Copper, Nickel Plated.
Insulation: Polypropylene Molded to the Plug Bodies and Cable. Color Matches Color of Cable.
Cable: RG-58C/U .195 (5,0) O.D., Color: Black, Marking: POMONA 2BC-PP-XX
Molded Breakout: PVC Molded to the Breakout Leads and Cable. Color Matches Color of Cable.
Breakout Leads: 20 AWG Stranding 41 x 36 t.c., PVC Insulated, .087 (2,21) O.D. Color Matches Color of of Pin Tip Plug.
Single Pin Tip Plugs:
Bodies: Brass, Gold Plated.
Stack-up Springs: Beryllium Copper, Gold Plated over Electroless Nickel.
Insulation: Polypropylene Molded to Pin Tip Bodies and Wire. Color: One Black and One Red.

Ratings:

Operating Temperature: +50°C Max.
Operating Voltage: 1400 VRMS.