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NATIONAL ELECTRIC CODE EXAM (4 HOURS) Type AC cable is permitted in ______________________. (a) wet locations (b) cable trays (c) exposed installations (d) b and c ️️(D) b and c 320.10(1) and (2) What is the minimum height for installing a light switch in a residential dwelling? A light switch must be installed at a minimum height of 48 inches above the finished floor to comply with accessibility standards in residential settings. ️️ What is the NEC requirement for ...