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Improving on the Original Westinghouse Iso-Phase Bus Design

March 27, 2019

Not only does the Westinghouse design live on, but iterative improvements to insulators, mountings and housings make this IPB design even more rugged and reliable. Isolated-phase bus (IPB) systems are the critical first link in the power transmission chain, as a highly reliable method of construction for moving bulk electrical power. Iso Phase Bus Duct…



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ST800: 800amp Service Tester
1. Test Integrity of Secondary Service
2. Identify Secondary Cables
3. Identify Feed In and Feed Out at Padmount
4. Identify Energized and De-Energized Cables