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Step 5: Installing Main current
transformers
The Main CTs will attach to the incoming live mains. They should not be used on
neutral lines. They will be installed differently depending upon whether or not the
home has solar and how that solar system is connected to the electrical system. The
Inhab Energy will be installed differently depending on whether the solar is a break-
er-fed or a line-side tap installation. The Main CTs that connect to the mains will
provide net metering out of the box — displaying electricity used minus
electricity produced. These installations are covered in the subsequent pages. To
monitor electricity used and electricity produced separately, Branch CTs will be used
as described in Step 8.
• Step 5(a): No solar Main CT
• Step 5(b): Breaker-fed solar Main CT
• Step 5(c): Line-side tap solar Main CT
INHAB™ ENERGY INSTALLATION GUIDE
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