Quiz on Single-Phase Incoming Supply and Electrical Regulations

What is the height range for a meter board above ground level?

• 0.5 m to 1.5 m

• 2 m to 2.5 m

• 1 m to 1.8 m

• 1.5 m to 2 m

Which device is used for overcurrent protection in a supply intake?

• Energy Meter

• Miniature Circuit Breaker

• Service Circuit Breaker

• Residual Current Circuit Breaker

What is the purpose of a kWh meter?

• To measure voltage

• To register energy consumption

• To isolate circuits

• To protect against overcurrent

What type of circuit breaker is used to disconnect the circuit when there is an imbalance?

• Energy Meter

• Residual Current Circuit Breaker

• Service Circuit Breaker

• Miniature Circuit Breaker

What is the maximum rating for a consumer unit's miniature circuit breakers for lighting circuits?

• 32 A

• 10 A

• 16 A

• 20 A

What is the role of a surge arrestor in a consumer unit?

• To measure energy consumption

• To protect against overvoltages

• To provide lighting

• To isolate circuits

Which authority regulates the electricity and gas industry in Singapore?

• Energy Market Authority

• Power Supply Ltd

• Electricity Board

• Ministry of Trade and Industry

What is the purpose of the Electricity Act in Singapore?

• To regulate water supply

• To create a competitive market framework for electricity

• To manage gas prices

• To oversee telecommunications

What is the minimum requirement for electrical installations in Singapore?

• To be installed by any technician

• To comply with the Electricity Act

• To be completed within a week

• To be done without a license

What is the maximum kVA rating for an electrician under the Licensed Electrical Workers regulations?

• 45 kVA

• 150 kVA

• 500 kVA

• No limit