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• LCRA TSC will provide tripping and close inhibit contacts from LCRA TSC's <br />138 kV differential & breaker failure relaying panel to SMEU's circuit switcher <br />CS2555 relaying panel. <br />• LCRA TSC will provide tripping and close inhibit contacts from LCRA TSC's <br />138 kV bus differential & breaker failure relaying panel to SMEU's circuit <br />switcher CS9555 relaying panel. <br />• SMEU will provide breaker failure initiate contacts from SMEU's 138 kV circuit <br />switcher CS2555 relaying panel to LCRA TSC's 138 kV bus differential & <br />breaker failure relaying panel. <br />• SMEU will provide breaker failure initiate contacts from SMEU's 138 kV circuit <br />switcher CS9555 relaying panel to LCRA TSC's 138 kV bus differential & <br />breaker failure relaying panel. <br />• SMEU will supply and provide relaying current transformers from SMEU's <br />Transformer T2 for use by LCRA TSC in LCRA TSC's 138 kV bus differential <br />relaying scheme. <br />• LCRA TSC and SMEU shall design, provide, and coordinate their respective <br />protection system equipment so that adjacent zones of protection overlap, in <br />accordance with ERCOT Nodal Operating Guides. <br />-----The remainder of this page has intentionally been left blank----- <br />LCRA TSC — San Marcos Electric Utility Page 18 of 39 <br />