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2.
CT connection diagram
Grid
L1
L2
L3
N
PE
Grid
* The arrow on the CT must point at the grid.
* Markings on the CTs might be R, S and T or L1, L2 and L3. Make sure to clip CT-R/CT-L1
to the L1 wire, CT-S/CT-L2 to the L2 wire, and CT-T/CT-L3 to the L3 wire.
EPS
PE L1
L2 L3
Grid
Household meter
CT
L line
N
CT_L1
CT_L3
CT_L2
The direction of CTs
Loads
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