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Belleville washer 3 Articles What’s In A Washer? May 12, 2025 by Al Williams 15 Comments ...

In the previous issue, we ended this section with the question, "For feeder bus 06E, which Belleville washers do we use?" The most common bolted connection consists of a bolt, spring-type lockwasher, ...

Note that both configurations (Fig. 1A and Fig. 1B) include a bolt, nut and flat washer. However, Fig. 1B also includes a Belleville washer. Use the Fig. 1A configuration for copper-to-copper joints.