On electrical switch it has cu wire only what does that mean. Devices marked CU-only are intended for use only with copper wire (wire systems with solid-core copper wiring) and should not be used with aluminium electrical wiring.heck out some tips on how to choose switches and outlets while avoiding pitfalls at Kyleswitchplates.com. Devices marked CU-only are intended for use only with copper wire (wire systems with solid-core copper wiring) and should not be used with aluminium electrical wiring.
Best Answer: ATP and NADPH are both produced by the mitochondria. SImple sugars (carbon chains) are dismantled and broken down to create ATP and NADPH. Glycolsis (simple sugars) are used to create the NAD molecules and the ATP. Produces Nadph.
NADPH and ATP are produced by the light reactions. The ATP is a  high energy molecule produced by photophosphorylation while the  NADPH is produced at the end of the electroâ¦n transport chain. 2 people found this useful. Answered by The WikiAnswersÂ® Community. Making the world better, one answer at a time.