Safety Requirements
- 0.4 sec – disconnect the circuit for socket outlets
- 5 sec – disconnect the circuit for fixed appliances
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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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Fuses
Safety Requirements
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Electrical tests
Testing Equipment
Types of Electrical Tests
Central Heating Wiring Diagrams
Central Heating Diagrams
- Room Thermostat
- Cylinder Thermostat
- 2-port Motorised Valve with Auxiliary Switch
- Wiring Diagram Heating Only
- Wiring Diagram Hot Water Only
- Frost Thermostat
- 2 port valve)>Frost & Pipe Thermostat (2 port valve)
- Mid position valve)>Frost & Pipe Thermostat (Mid position valve)
- S-plan Vaillant ecoTec Wirning Diagram
- Y-plan Vaillant ecoTec Wirning Diagram
- Full Wiring Diagram (2x2 port valve)
- Full Wiring Diagram (3 port mid position valve)
- Two-channel Programmer
Electrical Current
Types of Electrical Systems
Fuses
Fuse Types
- Cartridge Fuse
- High Breaking/Rupture Capacity Fuse (HBC)
- Miniature Circuit Breaker (MCB)
- Residual Current Device (RCD)
- Residual Current Breaker with Overload (RCBO)
- Rewireable Fuse
- Suppliers Main Service Fuse
- Customers Consumer Unit (CCU)
- Main Earth Terminal
Safety Requirements
Electrical Circuits
Electrical Bathroom Zones
Electrical Components
Electrical Fittings
Switches and Sockets
- Gung Box
- Double Pole Ceiling Switch
- Rocker-type Wall Plate Switch
- Fused Socket with Neon Light
- Shaver Socket
- Positioning
