This electrical wiring diagram details a thirty-six by twenty-four by six inch NEMA 1 hinged cover junction box housing multiple WattNode BACnet meters for one hundred twenty volt and two hundred seventy-seven volt circuits. Current transformer inputs connect through Panduit wire ducts to Allen-Bradley screw connection terminal blocks with phase-specific coloring alongside neutral and ground blocks mounted on DIN rails. Power is supplied via fifteen amp three-pole meter breakers. A BACnet connection interfaces the metering system with the building management system.
FT-10 ∅A CT ∅B CT ∅C CT GROUND WattNode BACNET NETURAL ∅A 277 VAC ∅B 277 VAC ∅C 277 VAC FT-10 ∅A CT ∅B CT ∅C CT GROUND WattNode BACNET NETURAL ∅A 120 VAC ∅B 120 VAC ∅C 120 VAC TO CT'S PANDUIT WIRE DUCT #G2X2LG6 (TYPICAL) 36"X24"X6" NEMA 1, HINGED COVER JUNCTION BOX HOFFMAN #A-HE36X24X6 SCREW CONNECTION TERMINAL BLOCK ALLEN-BRADLEY #1492-J4-BL (PHASE A) #1492-J4-RE (PHASE B) #1492-J4-B (PHASE C) #1492-J4-W (NETURAL) #1492-J4-G (GROUND) PROVIDE DIN RAIL AS REQUIRED FT-10 ∅A CT ∅B CT ∅C CT GROUND WattNode BACNET NETURAL ∅A 277 VAC ∅B 277 VAC ∅C 277 VAC FT-10 ∅A CT ∅B CT ∅C CT GROUND WattNode BACNET NETURAL ∅A 120 VAC ∅B 120 VAC ∅C 120 VAC TO CT'S FT-10 ∅A CT ∅B CT ∅C CT GROUND WattNode BACNET NETURAL ∅A 277 VAC ∅B 277 VAC ∅C 277 VAC FT-10 ∅A CT ∅B CT ∅C CT GROUND WattNode BACNET NETURAL ∅A 120 VAC ∅B 120 VAC ∅C 120 VAC TO CT'S (120V) (277V) (277V) SCREW CONNECTION TERMINAL BLOCK ALLEN-BRADLEY #1492-J4-BL (PHASE A) #1492-J4-RE (PHASE B) #1492-J4-B (PHASE C) #1492-J4-W (NETURAL) #1492-J4-G (GROUND) PROVIDE DIN RAIL AS REQUIRED (120V) (120V) (277V) N G N G 15A/3P 277V METER BREAKER 15A/3P 120V METER BREAKER BACNET CONNECTION TO METASYS BMS SYSTEM C B A
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