Electro PJP Probes & Test Leads Test lead 619036 - PJP 2710-IEC-CD1-25R, The Electro PJP 2710-IEC-CD1-25R test lead features 4 mm banana jacks. With a length of 25 cm, it is ideal for electrical testing applications. Its red colour provides clear visibility during measurements. Electro PJP 2710-IEC-CD1-25R Test Lead 4mm Banana Jack 25cm Red