After studying this chapter, you should be able to

• explain the current-carrying capacity (ampacity) of conductors.
• explain overcurrent protection for conductors and maximum loading of branch circuits.
• explain aluminum conductors and the possible fire hazards if they are not properly installed.
• explain how to make voltage-drop calculations.
• explain an alternate cost and time-saving method permitted to bring nonmetallic-sheathed cables into the top of a surface-mounted panel.