Cable Safety and Maintenance Quiz

What must be worn when working with cold pour resin?

• Hard hat

• Eye protection and disposable hand gloves

• Steel-toed boots

• Ear protection

What is a cable 'spiking' an indication of?

• High voltage

• Overload

• Cable is damaged/dead

• Short circuit

What can high resistance joints in cables lead to?

• Reduced voltage

• Increased current

• Heat production at the joint

• Improved performance

What is a cable termination?

• A type of cable fault

• A method for joining two cables

• A way of preparing the end of a cable to provide adequate properties

• A tool for cutting cables

Which of the following is an example of an MV cable connector?

• LV Heat Shrink Straight Bushing Boot

• HV Push On Connector with surge arrestor

• LV Push On Connector separable 3 Core

• MV Heat Shrink Right Angle Bushing Boot

What is a major factor that causes failure of a cable?

• High resistance

• Low voltage

• Damaged accidentally by external mechanical means

• Insufficient insulation

Why is locating faults in long underground cables difficult?

• They are always visible

• They are easy to access

• They are difficult and time consuming to locate

What is ageing in the context of cables defined as?

• Regular maintenance

• The irreversible change in material properties after exposure to an environment for an interval of time

• Routine inspection

• Cable spiking

What should be done to prevent cable failure?

• Ignore minor faults

• Use high voltage

• Preventive maintenance and periodic monitoring

• Increase resistance

What can mishandling of a cable during installation cause?

• Improved performance

• Increased durability

• Excessive pull, sharp bend, or accidental crush

• Enhanced insulation