GB/T 13849.2-1993 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 2 Unfilled, moisture barrier polyethylene sheathed local telecommunication cables with copper conductors and solid or cellular polyolefin insulation

GB/T 13849.1-1993 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 1 General GB/T 13849.3-1993 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 3:Filled,moisture barrier polyethylene sheathed local telecommunication cables with copper conductors and solid or cellular polyolefin insulation GB/T 13849.4-1993 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 4:Unfilled,moisture barrier polyethylene sheathed local telecommunication cables with copper conductors,solid polyolefin insulation and integral suspension strand GB/T 13849.5-1993 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 5:Moisture barrier polyethylene sheathed and separated(inner-screened)local telecommunication cables with copper conductors and solid or cellular polyolefin insulation

GB/T 13849-2025 Communication cables with polyolefin insulation and moisture barrier polyolefin sheath up to 1 MHz

GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 13849.1-1993 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 1 General GB/T 13849.1-2013 Local telecommunication cables with polyolefin insulation and polyolefin sheath—Part 1:General GB/T 2951.1-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section one:Measurement of thickness and overall dimensions—Tests for determining the mechanical properties GB/T 2951.2-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section two:Thermal ageing methods GB/T 2951.3-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section three:Methods for determining the density—Water absorption tests—Shrinkage test GB/T 2951.4-1997 Common test methods for insulating and sheathing materials of electric cables—Part 1:Methods for general application—Section four:Test at low temperature GB/T 2951.5-1997 Common test methods for insulating and sheathing materials of electric cables—Part 2:Methods specific to elastomeric compounds— Section one:Ozone resistance test—Hot set test—Mineral oil immersion test GB/T 2951.6-1997 Common test methods for insulating and sheathing materials of electric cables Part 3:Methods specific to PVC compounds Section one:Pressure test at high temperature—Test for resistance to cracking GB/T 2951.7-1997 Common test methods for insulating and sheathing materials of electric cables Part 3:Methods specific to PVC compounds Swction two:Loss of mass test—Thermal stability test GB/T 2951.8-1997 Common test methods for insulating and sheathing materials of electric cables Part 4:Methods specific to polyethylene and polypropylene compounds—Section one:Resistance to environmental stress cracking—Wrapping test after thermal ageing in air—Measurement of the melt flow index—Carbon black and/or mineral filler content measurement in PE GB/T 2951.9-1997 Common test methods for insulating and sheathing materials of electric cables Part 4:Methods specific to polyethylene and polypropylene compounds Section two:Elongation at break after pre-conditioning—Wraping test after pre-conditioning—Wrapping test after thermal ageing in air—Measurement of mass increase Long-term stability test(Appendix A) Test method for copper catalysed oxidative degradation(Appendix B) GB/T 2951.10-1997 Common test methods for insulating and sheathing materials of electric cables—Part 5:Methods specific to filling compounds Section two:Drop-point—Separation of oil—Lower temperature brittleness—Total acid number—Absence of corrosive components—Permittivity at 23℃-D.C. resistivity at 23℃ and 100℃ GB/T 2951.11-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 11:Methods for general application—Measurement of thickness and overall dimensions—Tests for determining the mechanical properties GB/T 2951.12-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 12:Methods for general application—Thermal ageing methods GB/T 2951.13-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 13:Methods for general application—Measurement for determining the density—Water absorption tests—Shrinkage test GB/T 2951.14-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 14:Methods for general application—Test at low temperature GB/T 2951.21-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 21:Methods specific to elastomeric compounds—Ozone resistance, hot set and mineral oil immersion tests GB/T 2951.31-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 31:Methods specific to PVC compounds—Pressure test at high temperature—Test for resistance to cracking GB/T 2951.32-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 32:Methods specific to PVC compounds—Loss of mass test—Thermal stability test GB/T 2951.41-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 41:Methods specific to polyethylene and polypropylene compounds—Resistance to environmental stress cracking—Measurement of the melt flow index—Carbon black and/or mineral filler content measurement in polyethylene by direct combustion—Measurement of carbon black content by thermo gravimetric analysis(TGA)—Assessment of carbon black dispersion in polyethylene using a microscope GB/T 2951.42-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 42:Methods specific to polyethylene and polypropylene compounds—Tensile strength and elongation at break after conditioning at elevated temperature—Wrapping test after conditioning at elevated temperature—Wrapping test after thermal ageing in air—Measurement of mass increase—Long-term stability test—Test method for copper-catalyzed oxidative degradation GB/T 2951.51-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 51:Methods specific to filling compounds—Drop point—Separation of oil—Lower temperature brittleness—Total acid number—Absence of corrosive components—Permittivity at 23 ℃—DC resistivity at 23 ℃ and 100 ℃ GB/T 3048.13-1992 Electric cables and wires—Method for impulse voltage test GB/T 3048.14-1992 Electric cables and wires Method for D.C. voltage test GB/T 3048.15-1992 Electric cables and wires D.C. spark test method for insulated cores GB/T 3048.10-1994 Test methods for determining electrical properties of electric cables and wires Spark of extruded anti-corrosion protective sheaths GB/T 3048.11-1994 Test methods for determining electrical properties of electric cables and wires—Dielectric dissipation factor measurement GB/T 3048.1-1994 Test methods for determining electrical properties of electric cables and wires General GB/T 3048.12-1994 Test methods for determining electrical properties of electric cables and wires Partial discharge test GB/T 3048.16-1994 Test methods for determining electrical properties of electric cables and wires Surface resistance test GB/T 3048.2-1994 Test methods for determining electrical properties of electric cables and wires Measurement of resistivity of metallic conductive materials GB/T 3048.3-1994 Test methods for determining electrical properties of electric cables and wires—Measurement of volumeresistivity of semi-conducting rubbers and plastics GB/T 3048.4-1994 Test methods for determining electrical properties of electric cables and wires Measurement of D.C. resistance of conductors GB/T 3048.5-1994 Test methods for determining electrical properties of electric cables and wires Determining insulation resistance Comparison-galvanometer method GB/T 3048.6-1994 Test methods for determining electrical properties of electric cables and wires Determining insulation resistance Voltmeter-ammeter method GB/T 3048.7-1994 Test methods for determining electrical properties of electric cables and wires Tracking resistance test GB/T 3048.8-1994 Test methods for determining electrical properties of electric cables and wires A.C. voltage tests GB/T 3048.9-1994 Test methods for determining electrical properties of electric cables and wires A.C. spark test of insulated cores GB/T 3048.10-2007 Test methods for electrical properties of electric cables and wires—Part 10:Spark test of extruded protective sheaths GB/T 3048.11-2007 Test methods for electrical properties of electric cables and wires—Part 11:Test for dielectric dissipation factor GB/T 3048.1-2007 Test methods for electrical properties of electric cables and wires—Part 1:General GB/T 3048.12-2007 Test methods for electrical properties of electric cables and wires—Part 12:Partial discharge test GB/T 3048.13-2007 Test methods for electrical properties of electric cables and wires—Part 13:Impulse voltage test GB/T 3048.14-2007 Test methods for electrical properties of electric cables and wires—Part 14:DC voltage test GB/T 3048.16-2007 Test methods for electrical properties of electric cables and wires—Part 16:Surface resistance test GB/T 3048.2-2007 Test methods for electrical properties of electric cables and wires—Part 2:Test of electrical resistivity of metallic materials GB/T 3048.3-2007 Test methods for electrical properties of electric cables and wires—Part 3:Test of volume resistivity of semi conducting rubbers and plastics GB/T 3048.4-2007 Test methods for electrical properties of electric cables and wires—Part 4:Test of DC resistance of conductors GB/T 3048.5-2007 Test methods for electrical properties of electric cables and wires—Part 5:Test of insulation resistance GB/T 3048.7-2007 Test methods for electrical properties of electric cables and wires—Part 7:Tracking resistance test GB/T 3048.8-2007 Test methods for electrical properties of electric cables and wires—Part 8:AC voltage test GB/T 3048.9-2007 Test methods for electrical properties of electric cables and wires—Part 9:Spark test of insulated cores GB/T 3048.4-2025 Test methods for electrical properties of electric cables and wires—Part 4:Test of DC resistance of conductors GB/T 3048.8-2025 Test methods for electrical properties of electric cables and wires— Part 8:AC voltage test GB/T 3048.12-2025 Test methods for electrical properties of electric cables and wires—Part 12:Partial discharge test GB/T 3048.13-2025 Test methods for electrical properties of electric cables and wires—Part 13:Impulse voltage test GB/T 3048.11-2025 Test methods for electrical properties of electric cables and wires—Part 11:Test for dielectric dissipation factor GB/T 4909.1-1985 Test methods for bare wires—General GB/T 4909.1-2009 Test methods for bare wires—Part 1:General GB/T 4909.2-1985 Test methods for bare wires—Measurement of dimensions GB/T 4909.2-2009 Test methods for bare wires—Part 2:Measurement of dimensions GB/T 4909.3-1985 Test methods for bare wires—Tensile test GB/T 4909.3-2009 Test methods for bare wires—Part 3:Tensile test GB/T 4909.4-1985 Test methods for bare wires—Torsion test GB/T 4909.4-2009 Test methods for bare wires—Part 4:Torsion test GB/T 4909.5-1985 Test methods for bare wires—Bend test—Reverse bend test GB/T 4909.5-2009 Test methods for bare wires—Part 5:Bend test—Reverse bend test GB/T 4909.6-1985 Test methods for bare wires—Bend test—Single bend test GB/T 4909.6-2009 Test methods for bare wires—Part 6:Bend test—Single bend test GB/T 4909.7-1985 Test methods for bare wires—Mandrel winding test GB/T 4909.7-2009 Test methods for bare wires—Part 7:Mandrel winding test GB/T 4909.8-1985 Test methods for bare wires—Hardness test—Brinell hardness test GB/T 4909.8-2009 Test methods for bare wires—Part 8:Hardness test—Brinell hardness test GB/T 4909.9-1985 Test methods for bare wires—Test for continuity of coating—Sodium polysulfide solution method GB/T 4909.9-2009 Test methods for bare wires—Part 9:Test for continuity of coating—Sodium polysulfide solution method GB/T 4909.10-1985 Test methods for bare wires—Test for continuity of coating—Ammonium persulphate solution method GB/T 4909.10-2009 Test methods for bare wires—Part 10:Test for continuity of coating—Ammonium persulphate solution method GB/T 4909.11-1985 Test methods for bare wires—Test for adherence of coating GB/T 4909.11-2009 Test methods for bare wires—Part 11:Test for adherence of coating GB/T 4909.12-1985 Test methods for bare wires—Solderability test of coating Solder globule method GB/T 4909.12-2009 Test methods for bare wires—Part 12:Solderability test of coating—Solder globule method GB/T 5441-2016 Test methods for communication cable GB/T 5441.1-1985 Test methods for communication cable General GB/T 5441.2-1985 Test methods for communication cable Capacitance test Bridge method GB/T 5441.3-1985 Test methods for communication cable Capacitance unbalance test GB/T 5441.4-1985 Test methods for communication cable—Impedance and impedance irregularities test of coaxial pair—Pulse method GB/T 5441.5-1985 Test methods for communication cable—Characteristic impedance test of coaxial pair Resonance method GB/T 5441.6-1985 Test methods for communication cable—Crosstalk attenuation test—Comparison method GB/T 5441.7-1985 Test methods for communication cable—Attenuation coefficient test—Open and short circuit method GB/T 5441.8-1985 Test methods for communication cable—Test for frequency characteristic of attenuation coefficient of coaxial pair Comparison method GB/T 5441.9-1985 Test methods for communication cable—Test for ideal screening factor measured at power frequency GB/T 5441.10-1985 Test methods for communication cable—Measurement of actual length of coaxial pair—Sine wave method

IEC 841-4-2