Show electrical switches the bureau of standards say that a lazy man switch also called a three way switch Is electrically a single pole double throw switch Us ing two of them a light can b strolled trolled from two planes such i stairs and downstairs in the q hall lights A related switch ci four way switch Is electric double pole reversing number of four way switches iri used with two three way sw control a light from any auml points selective breeding applied to f trees would produce fast gr vigorous varieties i A abl I 1 |