Which of the following is NOT considered when sizing electrical wire?

When sizing electrical wire, wire color is not considered a factor that affects its performance or capability. The critical factors involved in wire sizing include power loss, voltage drop, and current carrying ability.

Power loss refers to the energy loss that occurs as electrical current travels through a conductor. Understanding this helps determine the appropriate wire gauge to minimize losses in the system.

Voltage drop is the reduction in voltage in the electrical circuit due to resistance in the wire. It is essential to calculate the allowable voltage drop to ensure that devices receive adequate voltage for operation.

Current carrying ability, also known as ampacity, is the maximum amount of electric current a conductor can carry before its temperature rises to an unacceptable level. This parameter is crucial for safety and performance, as overheating can lead to insulation failure and potential fire hazards.

In contrast, the color of the wire serves primarily as an identifier for different conductors within a circuit (such as live, neutral, or ground) and does not impact the electrical performance or must-have criteria for wire selection.