Dia Kgadi Electrical specialises in expert consultancy and advisory for Overhead Track Equipment (OHTE) in Sub-Saharan Africa’s railway electrification. With a collaborative approach, we work closely with design engineers, project teams, and supply partners to deliver sustainable solutions in line with client goals. Our extensive experience guides clients through all stages, from concept to design, construction, and maintenance, along with specialised training. In the international market, OHTE is known as OCDS (Overhead Contact Distribution System). We provide various OHTE solutions, including 3kV DC, 25kV AC, and 50kV AC systems with options for fixed, spring, or autotensioned systems. Our services encompass Catenary and Trolley Wire design, OHTE component applications, voltage change-over systems, power supply configurations, wire profiling under bridges, switching philosophies, and managed maintenance and condition assessments.