36kV PRIMARY SUBSTATION SWGR;BUS TIE SWGR;36kV;1600 A; 31.5 kA;1600 A BUS; METAL ENCLOSED FIXED SWGR/CONTROL GEAR ASSEMBLY SUITS 110V DC AUX SUPPLY INC FAULT MAKE BUS EARTH SWITCH & CURRENT TRANSFORMERS FOR BZ HI and LI protection schemes (4 cores). Associated wiring to the protection relays;