What is the cubic-inch allowance for a 10 AWG conductor?

The cubic-inch allowance for a 10 AWG conductor is 2.00 cubic inches. This value is derived from the National Electrical Code (NEC) regulations, which specify the volume allowances based on the size and type of conductors in various wiring methods.

When planning for conduit fill or box fill, knowing the cubic-inch allowance is crucial for ensuring that there is adequate space for safe installation, heat dissipation, and to prevent potential overload due to crowding. Each conductor size has a designated volume, and 10 AWG conductors specifically require 2.00 cubic inches per conductor to meet these safety standards.

Understanding these measurements aids in compliance with electrical installation regulations and promotes overall electrical system reliability.