One Wrap, 10 Count, 1/2" x 8", Cranberry Fire Retardant Strap, Can Be Used As Wire Or Cable Management Above A Hung Ceiling Or Below A Raised Floor, 122 Degrees Fahrenheit, 50 Degrees Celsius Maximum Operating Temperature, 18 LB Rated Load, UL Rated, For Use In Air Handling Spaces In Accordance With Section 300.22 C & D Of The National Electrical Code, & Rules 12-010, 3, 4, & 5, & 12-020 Of The Canadian Electrical Code, Part I.