This ground testing must be done correctly, as errors can be dangerous and costly ... The general requirement of the National Electric Code (NEC) is no more than 25 ohms of resistance. Bonding offers ...
Conduct routine visual inspections of grounding and bonding components to check for signs of damage, corrosion, or wear. 2. Testing: Use appropriate testing equipment to measure ground resistance ...
Bonding and grounding is required when dangerous goods with a primary or subsidiary ... Testing and Monitoring. Ground and earth resistance testing must be conducted every 2 years and the test results ...