William Wade Unit 303 Task A 21/10/2016
1. A fault has occurred on the electric shower in one of the rooms. It was reported that
• The shower was switched on.
• A crackling sound was heard coming from the shower.
• The lights in the room flickered and dimmed.
• The shower went off.
Describe the likely faults that could produce these symptoms.
Lose terminal connections in the shower system could have caused the shower to crackle due to arching between the cable and terminal itself. 2. Identify one likely cause for each of the following faults.
A) Earth fault.
An earth fault can occur inside equipment’s containing exposed conductive parts B) Open circuit.
An open circuit may result from
1. A fault has occurred on the electric shower in one of the rooms. It was reported that
• The shower was switched on.
• A crackling sound was heard coming from the shower.
• The lights in the room flickered and dimmed.
• The shower went off.
Describe the likely faults that could produce these symptoms.
Lose terminal connections in the shower system could have caused the shower to crackle due to arching between the cable and terminal itself. 2. Identify one likely cause for each of the following faults.
A) Earth fault.
An earth fault can occur inside equipment’s containing exposed conductive parts B) Open circuit.
An open circuit may result from