Flexible cords immersed in or exposed to water in a fountain shall be _____. a)extra-hard usage type b)listed with a W suffix c)encased in not less than 2 in. of concrete d) a and b See answer and applicable Code reference The correct answer is: d) a and b Article 680 covers the installation requirements for swimming pools, fountains and similar installations. As noted in 680.56(B), "Flexible cord immersed in or exposed to water shall be of a type for extra-hard ...

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