A fully submersible secondary connector for making a number of service connections to a single secondary lead. The connector leads are all protected with high density cross linked polyethylene insulation. The connector junction is encapsulated in a high dielectric epoxy with inserted cable insulation processed to render it impervious to entrance of any moisture. The entire assembly is completely resistant to high concentrations of oil. This protection also applies to any unused connector service lead. All cables are of copper as listed below. Aluminum cable type connectors can be furnished upon request.