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Simply the best power connector source in the industry. Since 1971 we have provided a complete line of bolted, welded, and compression substation and transmission accessories to the electric utility industry. Coupled with fast deliveries, emergency service, engineered products and unparalleled customer service, SEFCOR invites you to see what we can do for you. Specialty connectors are available through 765kv and 8000A continuous applications. Conductor Accessories, Connectors / Splicers / Terminators, Transformers/Transformer Components