Electric or Optical Fibre Cables Circuit Integrity Burning Test Apparatus This IEC 60331 and GB/T 19216 compliant fire resistance testing equipment evaluates the circuit integrity of electric and optical fibre cables under fire conditions. The apparatus ensures cables maintain functionality during exposure to flames and high temperatures. Key Features Compliant with IEC 60331 and GB/T 19216 standards Tests both electric and optical fibre cables Evaluates circuit integrity