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Electrical Supply and Earth Continuity

Exam revision materials for Plumbing Level 2&3 and ACS Gas Safety test

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Wires and Cables

Cable Types

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Electrical tests

Testing Equipment

Types of Electrical Tests

Central Heating Wiring Diagrams

Central Heating Diagrams

Electrical Current

Types of Electrical Systems

Fuses

Fuse Types

Safety Requirements

Wires and Cables

Cable Protection

Cable Sizing

Cable Types

Electrical Circuits

Electrical Bathroom Zones

Electrical Components

Electrical Fittings

Switches and Sockets

Types

Earth Bonding

Earth Bonding

Flat Twin Core and Earth

  • for Ring Main
    • 2.5mm
  • for hobs, cookers and power showers
    • 4; 6; 10; 16mm
  • for lighting circuit
    • 1; 1.5mm
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Three Core and Earth

  • for 2 way switches on lighting circuit and central heating wiring
    • 1; 1.5mm
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Armored Cables

  • or Steel Wired SWA
  • external use,
  • burial,
  • mains supply
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Heat Resistant Cable 3 Core

  • 0.75, 1.5, 2.5, 4mm
  • storage heaters, low voltage lighting, cookers and hobs

White 3 Core Flex

  • 0.5-2.5mm
  • lighting a cabinet display, radio, TV, washing machine, extension leads
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