Questions and Answers
What is a fuse?
A fuse is destroyed in protecting a circuit from overcurrent.
What is a circuit breaker?
A circuit breaker can be reset after protecting a circuit from overcurrent.
Name two ways to maintain tools and equipment used for electrical installation.
Screwdriver blades are kept sharp and power tools are regularly PAT tested.
What is a wall plug?
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What is a wall bolt?
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What is a dome head slotted woodscrew?
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What is a plasterboard fixing?
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What is a countersunk woodscrew?
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What is a 6mm roofing screw/gutter bolt?
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What is a cable clip?
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What is a two-gang switched 13A socket outlet?
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What is a one-gang, unswitched 13A socket outlet?
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What is a one-gang, metal clad, surface mount switch?
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What is a two-gang, flush mount socket outlet back box?
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What is a two-gang, flush mount plasterboard socket outlet back box?
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Name five different types of electrical terminations.
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What are the standard color codes for line and neutral conductors?
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What is a one way lighting wiring diagram with 2 lights?
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What does CCU stand for in electrical installations?
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Study Notes
Electrical Components and Terminology
- A fuse protects circuits from overcurrent by breaking the circuit when excess current flows.
- Circuit breakers can be reset after they trip under overcurrent conditions, allowing the circuit to function again without replacement.
Electrical Tools and Maintenance
- Maintain tools by keeping screwdriver blades sharp and regularly PAT testing power tools.
- Tools should be lightly oiled and stored safely in a dry, secure location.
Fasteners and Fixings
- Wall plugs and wall bolts are used for securing fixtures to walls.
- Dome head slotted woodscrews are designed for use in wooden applications.
- Plasterboard fixings effectively anchor in drywall.
- Countersunk woodscrews allow for flush mounting with the surface.
Types of Screws
- 6mm roofing screws or gutter bolts are suited for securing roofing materials.
- Cable clips are essential for organizing and securing electrical wiring.
Socket Outlets
- A two-gang switched 13A socket outlet allows the control of power to two devices.
- A one-gang, unswitched 13A socket outlet provides constant power to one device.
- A one-gang metal clad, surface mount switch is durable and ideal for exposed areas.
- Two-gang flush mount socket outlet back boxes ensure a neat installation within walls.
- Two-gang flush mount plasterboard socket outlet back boxes are specifically designed for use with plasterboard.
Electrical Terminations
- Five types of electrical terminations include:
- Screw terminal: attaches wires using screws.
- Crimp terminal: joins wires mechanically via a crimping tool.
- Soldered terminal: connects using solder for a permanent bond.
- Push-fit terminal: allows wiring connection without screws.
- Insulation displacement terminal: connects wires without stripping insulation.
Electrical Circuit Components
- Fuses and circuit components are labeled for easy identification.
- Line conductor is colored brown, while neutral conductor is blue.
- CPC (Circuit Protective Conductor) is colored green/yellow.
Wiring Diagrams
- One-way lighting wiring diagrams can illustrate connections with 2 lights.
- Comprehensive diagrams include labeled components such as CCU (Consumer Control Unit), outlets, fuse locations, and conductors.
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Description
Test your knowledge on electrical components, tools, and maintenance practices. This quiz covers essential terminology, the functionality of circuit protection devices, and the proper use of fasteners. Dive into the details of secure fastenings and electrical tool upkeep!
