303 #10 – Final Design & Sustainability

What does a complete electrical design begin with?

• A. A volt drop calculation

• B. A protective device selection

• C. An understanding of client requirements

• D. A material order

What is the correct sequence for cable selection?

• A. In → Ib → Iz

• B. Ib → In → Iz

• C. Ze → Zs → R1+R2

• D. VA → Watts → Volts

What does a circuit schedule usually include?

• A. Labour costs

• B. List of electrical suppliers

• C. Type and rating of protective devices

• D. Colour of socket fronts

What is a benefit of using LED lighting in design?

• A. Increases ambient heat

• B. Higher energy usage

• C. Long lifespan and low energy consumption

• D. Requires large protective devices

Which design factor improves a building's carbon footprint?

• A. Use of larger conductors

• B. Recycled conduits

• C. Reduced energy demand and efficient systems

• D. Surface trunking

What sustainability measure can reduce cable lengths in a design?

• A. Running longer radials

• B. Installing dual consumer units

• C. Strategic equipment placement

• D. Using larger trunking

What would you check to ensure a design complies with volt drop limits?

• A. Diversity factors

• B. Loop impedance

• C. Cable size and run length

• D. Load current alone

What document helps verify the final design against BS7671?

• A. Minor works certificate

• B. Building Regs Booklet

• C. Electrical Installation Certificate

• D. EICR

What is the purpose of peer review in design projects?

• A. Allocate group marks

• B. Ensure fair pricing

• C. Identify errors and improve accuracy

• D. Speed up drawing time

What would be a key reflection question after a full design project?

• A. "Did I finish first?"

• B. "Was it cheaper than expected?"

• C. "What could I improve if I did it again?"

• D. "Did I enjoy the break times?"