8202 Cable selection Booster

Which one of the following symbols represents the rating factor for thermal insulation?

• Cg
• Cf
• Ca
• Ci

What is the volt drop value for a 10mm2 multi-core flat thermoplastic 70°C cable?

• 2.8 mV/A/m
• 44 mV/A/m
• 4.4 mV/A/m
• 11 mV/A/m

Single core 6mm2 70°C thermoplastic insulated cable referenece method B will carry a maximum

• 41A
• 31A
• 32A
• 36A

What is the volt drop value for a 4mm2 multi‑core thermosetting supply single phase circuit?

• 7.3 mV/A/m
• 29 mV/A/m
• 18 mV/A/m
• 11 mV/A/m

The protective device suitable for protecting an X-ray machine in a hospital is a ?

• BS EN 60898 Type B
• BS 3036 rewireable fuse
• BS EN 60898 Type D
• BS EN 60898 Type C

Which device will operate quickest if a short circuit current of 400A occurred on a circuit?

• 32A Type D circuit breaker
• 32A/30mA Type C RCBO
• 32A Type B circuit breaker
• 32A Type C circuit breaker

MET stands for

• Multiple Earthing Terminal
• Main Earthing Terminal
• Major Earth Tremor
• Main Electrode Test

RCD stands for

• Residual Current Device
• Residual Circuit Device
• Remote Current Device
• Remote Circuit Device

Which earthing arrangement does not have an earthing point provide by the DNO

• TN-S
• TT
• TNC-S
• TT-N-S

Which protective device has Cf applied to it

• BS 88-2
• BSEN 61008
• BS 3036
• BSEN 61009