This document represents the minimum requirements and specifications for the installation of the electrical underground distribution systems fed from padmounted transformation, serving Secondary Service Accounts, to be transferred to Oncor Electric Delivery Company. This document represents the minimum requirements and specifications for the installation of the electrical underground distribution systems fed from padmounted transformation, serving Secondary Service Accounts, to be transferred to Oncor Electric Delivery Company. Design and Construction of distribution networks inside cities and industrial regions (for the medium (MV) and high voltage (HV), Underground cable laying and Overhead distribution lines, also secondary networks support. ENCCO is from the relied companies at the General Electricity Company of Libya. ojects. Our company provides high-quality design, planning and installation services for all power, control, earthing and lightning protection As one of the best Electrical Installation Manufacturers in Libya, we are trusted by people not only within the boundaries but even beyond that. Our custom-based products are able to match up your distinct needs. Our products are known for their sustainable performance and all the other features. Al Hussain for Electrical Industry and Services Established on 1993, our company is one of the biggest Libyan companies specialized in manufacturing and assembling of electrical distribution boards of different types and electrical equipment, Package Substation Units (11/0.