BNC connects to a specialized adapter for banana plugs. PL-10 exclusive accessory. Red and black plastic insulation covers for easy identification of positive and negative electrodes. The end of the banana plug uses beryllium copper to prevent poor connection. CE compliant, safe and reliable. Maximum working voltage: 300V CAT2, 3A, 1GHz. Length: 70mm, width: 28mm, weight: 19g.