Understanding Cable Test Results
Expected Resistance |
Actual Resistance |
Meaning of Result |
---|---|---|
Very Low |
Very Low |
Good connection between points we want connected. |
Very Low |
Not Very Low |
Bad connection between points we want connected, i.e. open, intermittent open, high wire resistance, or unintended insulation. |
Very High |
Very High |
Good insulation separates points we do not want connected. |
Very High |
Not Very High |
Insulation fails to properly separate points we do not want connected, i.e. short, intermittent short, IR failure, dielectric breakdown. |
Expected Connections |
Actual Connections |
Mis-wires. Incorrect “from – to” connections! |