PPT 7 Electrical Quiz

What is one of the checks learners must perform on electrical equipment?

• Check the warranty

• Check the brand

• Check proper construction in accordance with system requirements

• Check the color

What is the run current if a bore hole pump is fed by a 230V supply and has a power rating of 0.75 kW? Convert power to watts

• 3.26A

• 2.50A

• 4.00A

• 5.00A

What does the On-site Guide provide for electricians?

• Detailed installation procedures

• Information not in BS 7671:2018

• Complete wiring diagrams

• Safety equipment guidelines

Who is required to carry out the formal selection of cable size?

• A novice electrician

• An experienced electrician

• A construction worker

• A plumber

What is the overcurrent protective device rating for an A1 Ring circuit?

• 20 A

• 30 or 32 A

• 40 A

• 50 A

What is the minimum live conductor cross-sectional area for a copper conductor thermoplastic insulated cable in an A2 Radial circuit?

• 1.5 mm²

• 2.5 mm²

• 4 mm²

• 6 mm²

What is the maximum floor area served by an A3 Radial circuit?

• 50 m²

• 75 m²

• 100 m²

• 125 m²

What is required to complete the full cable sizing process?

• A basic understanding of electricity

• A competent electrician

• A standard calculator

• A detailed manual

What is the conductor cross-sectional area for a cable clipped direct with a reference method C and a size of 6 mm²?

• 20

• 27

• 37

• 47

Which reference method involves cables enclosed in conduit in an insulated wall?

• C

• B*

• A

• 102