2365 203 #14 - PVC Cables

What does PVC stand for in electrical cables?

• Polyvinyl copper

• Plastic vinyl coating

• Polyvinyl chloride

• Protected voltage core

What is the primary purpose of PVC insulation on cables?

• Colour coding

• Protect against water

• Electrical insulation and mechanical protection

• Magnetic screening

What is a common conductor material used inside PVC cables?

• Aluminium

• Zinc

• Copper

• Steel

What core colours are typically found in single-phase PVC T&E cable?

• Blue, brown, green/yellow

• Red, black, green

• White, grey, red

• Orange, black, green

What is the CPC in a PVC twin and earth cable?

• Copper Phase Conductor

• Circuit Protection Cable

• Circuit Protective Conductor

• Core Polarity Circuit

What document outlines current ratings for PVC cables?

• GN1

• OSG Appendix 4

• Part L

• Part B

What installation method affects a PVC cable’s current rating?

• Cable length

• Mounting height

• Method of installation (e.g. clipped, buried, in conduit)

• Circuit breaker brand

What must be considered when installing PVC cables in thermal insulation?

• Easier routing

• Risk of drying out

• Reduced current-carrying capacity

• Protection against water

What does BS7671 require for PVC cable selection?

• Brand approval

• Compliance with current-carrying and derating factors

• Energy-saving labels

• Use of flexible tails

What temperature range are standard PVC cables typically rated for?

• -20°C to 50°C

• 0°C to 100°C

• -5°C to 70°C

• 10°C to 80°C