Issue:
Is it allowed to extend the lead on a BCPM split core CT?
If so, What is the maximum recommended length of the lead extension?

Product Line:
BCPM split core CT

Environment:
Extending CT Leads for BCPM split core CT

Cause:
Customer is requesting to extend the CT length with minimal to no accuracy changes.

Resolution:

Yes, you may extend the CT leads.

6.1m (20ft) is the our recommended maximum length for CT extension leads.
One of our recommended accessories, the BCPMSCCT0R20, is such a 6.1m lead, referred to on page xxiii of the PowerLogic¿ BCPMSC
Branch Circuit Power Meter with Split-Core CTs Panelboard Monitoring System Installation Guide, available here:
http://www.powerlogic.com/literature/BCPMSC_Z205658-0C.pdf
See also RESL191029 which discusses wire size and attenuation.