Electrical requirements for variable speed pool pumps

From http://www.swimmingpoolsteve.com/pages/pump-reviews.html - Electrical requirements for variable speed pool pumps discussed. Most VS pool pumps are large, and have heavy current draw demands, such that the majority of variable speed pumps on the market are only available for 240v electrical installations. There are a few smaller and entry level variable speed pumps compatible with 120v electrical circuits. ... https://www.youtube.com/watch?v=rhc2v9VzfFg