Answer / thowsif_csm_emerson

For Insulation Resistance Testing with Megger for for
electrical equipments, please refer to the following
publications:

IEEE Std. 43-2000: "Recommended Practice for Testing
Insulation Resistance of Rotating Machinery"
IEEE C57.125-1991: "Guide for Failure Investigation,
Documentation and Analysis for Power Transformers and Shunt
Reactors"
NETA ATS-2003: "Acceptance Testing Specifications for
Electrical Power Distribution Equipment and System".

Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

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