Q. When bonding a swimming pool shell, which of the following shall be considered conductive materials due to water permeability and porosity?
poured concrete
pneumatically applied or sprayed concrete
concrete block with a painted coating
concrete block with a plastered coating
all of the above
Answer: E
When bonding a swimming pool shell, the Code considers all of the above mentioned construction products to be conductive materials due to water permeability and porosity [680.26(B)(1)].
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].