CABLE

3 Core Flex Stranded Cores PVC Insulation Generally used for appliances Advantages Very Flexible Low Cost Disadvantages Low Strength Limited usage

2 Core Flex Stranded Cores PVC Insulation Used for domestic lighting Advantages Highly flexible Cheap Quick installation Disadvantages No earth Limited usage

Single Core PVC Insulation Installed in trunking/conduit Stranded core Used for small power Advantages Carries more current than the flex’s can Disadvantages Containment can be expensive Takes longer to install as individual cables

Twin and Earth Solid Cores PVC Insulation Used for general wiring & appliances Advantages Cheaper than singles Carries more current than singles Can be clipped to walls Malleable Disadvantages Earth is not sleeved Not very mechanically robust

FP200 Silicone insulation for fire protection Used for fire alarm cabling Advantages Foil wrapped to prevent interference Good fire protection Disadvantages Can be expensive

MICC Used for fire alarms Contains magnesium oxide as an insulation material Advantages Very strong Good fire protection Disadvantages Brittle Hard to work with

Fibre Optics Uses light rather than electricity PVC Insulation Advantages Fast transmission rate Disadvantages Needs some form of protection Can only be used for data

Data Cable Contains 8 cables Used for data communication Advantages