Leviton CDA02-212 Sub-Metering Current Transformers, 200A, 200:0.1A, 72/100-Inch, 1 Each of Red and Black Installation is quick - saving time and money Revenue-grade current transformers (CT's) provide superior accuracy over current sensor designs Competing products use current sensors that do not provide the same level of performance Conforms to all applicable standards of ANSI C12.1 and ANSI C12.20 (0.5) Codes for Electricity Metering Leviton recommends solid core transformers (CTs) for revenue-grade billing - Our 100A and 200A color coded CTs assist with correct installation by indicating phase monitored