Vanguard ATRT-03_03B - Manual (Page 25)

ATRT-03, ATRT-03A, AND ATRT-03B USER’S MANUAL REV 7
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3.1.5. Typical Connections to a Donut Type (un-mounted) Current Transformer
Figure 11. Typical Connections to a Donut Type (un-mounted) Current Transformer (CT)
NOTE
The H and X test leads are reversed for the CT ratio test connections shown
above.