Communication transmission lines
Attenuation
Digital signals
Capacitance
Floors
Electric current
Dimensions
Performance
Insulated cables
Horizontal
Communication equipment
Mechanical properties of materials
Environmental testing
Electric conductors
Voltage
Quality assurance systems
Electrical insulation
Electrical impedance
Electrical testing
Electric wiring systems
Electric cables
Sheathed cables
Communication cables
Electrical resistance
Assessed quality
Dielectric strength