As of May 2017, Beclawat is proud to have added in-house hipot testing capabilities to its repertoire of Quality-Testing Capabilities.
What is hipot testing?
A hipot test (High Potential/High Voltage test), otherwise known as Dielectric Withstand Test, checks for "good insulation" by verifying that the insulation of a product is sufficient enough to protect users from electrical shock.
The rationale behind performing the test being that if a deliberate over-application of voltage doesn't cause the insulation to breakdown, causing current-leakage, then the product can be deemed safe for use under "normal" operation conditions.
How does it work?
In most typical hipot test applications, high voltage is applied between a product's current-carrying conductors (or metallic shielding). The hipot test equipment records and measures the resulting current that flows through the insulation (otherwise known as "leakage").
Pass or Fail Criteria?
As applications and operating conditions vary, so do the pass and/or fail criteria of the hipot test. Most commonly, the pass/fail criteria is determined on an individual basis between the product manufacturer (Beclawat) and the end customer (railroad having jurisdiction).