What is the minimum thickness for switch faceplates made of nonmetallic material?

The minimum thickness for switch faceplates made of nonmetallic material is 2.54 mm. This specification is established to ensure durability, safety, and compliance with various electrical codes and standards. A thickness of 2.54 mm provides sufficient rigidity to withstand normal handling and accidental impacts, thereby minimizing the risk of breakage.

Additionally, a faceplate of this thickness allows for adequate insulation and protection of electrical components behind the switch, contributing to overall safety by preventing electrical shock. This thickness standard is often referenced in electrical installation guidelines and material specifications to uphold consistent quality and reliable performance in residential and commercial applications.