Skip to main content
🎯 Walk-in InterviewFriday 5 JuneElectronics Repair Technician (Freshers/Entry-Level) · Friday, 5 June
1day08hr47min48sec
Apply →
Fri, 5 Jun
+91-704-308-4455
OPEN NOW
0s

0% of today's working hours elapsed

Office Hours (IST)

Mon – Fri9:00 AM – 6:00 PM
Saturday9:00 AM – 3:00 PM
SundayClosed
+91-704-308-4455
Track Repair →
Synchronics Electronics Private Limited
Testing

What is Insulation Resistance?

Definition

The resistance between a conductor and ground, measured in megohms using an insulation resistance tester. Low insulation resistance indicates moisture ingress or insulation breakdown and is a key motor and cable diagnostic.

Related Terms

Megger Test

An insulation resistance test using a high-voltage DC source (typically 500V or ...

Insulation Class

A classification (B, F, H) defining the maximum allowable temperature for motor ...

Earth Fault

An unintended electrical connection between a live conductor and the earth or eq...

Browse all Testing terms (26)
Previous in TestingFull-Load TestingNext in TestingKelvin

Need help with Insulation Resistance?

Our engineers have 32+ years of experience diagnosing and repairing testing equipment. Get expert support for your insulation resistance issues.

Contact Our ExpertsSend a Repair Job
Back to Full Glossary502 terms across all categories