Floor-mounted flat conductor cable and fittings shall be covered with carpet squares no larger than _____.
a) 18 inches square
b) 24 inches square
c) 30 inches square
d) 36 inches square
See answer and applicable Code reference
The correct answer is: d) 36 inches square
Article 324 outlines the requirements for flat conductor cable (Type FCC). As noted in 324.41, "Floor-mounted Type FCC cable, cable connectors, and insulating ends shall be covered with carpet squares not larger than 36 in. square. Carpet squares that are adhered to the floor shall be attached with release-type adhesives."