2365-625 (OSG - Only)

identify the type of emergency light fitting the remains lit continuously

• sustained
• contained
• maintained
• non maintained

identify the cable system that is 'hygroscopic'

• PILC
• CAT6
• MIMS
• FP200

identify the rating of an RCD used for additional protection for buried cables in walls.

• 100mA
• 20mA
• 13A
• 30mA

when applying DIVERSITY to discharge lighting (such as fluorescent lamps), identify the multiplication factor that should be applied to the lamp wattage

• 2
• 1.8
• 10
• 5.5

identify the rated short-circuit capacity of a BS88-6 device at 240v, as detailed in the On Site guide

• 16kA
• 33kA
• 16.5kA
• 31.5kA

how can long runs of pvc conduit be installed to reduce the prospect of distorting and buckling due to large changes in ambient temperature.

• greater distances between saddles
• pvc conduit must not be installed in these environments
• regular through-boxes are used throughout the run
• use expansion couplers

identify the rated short-circuit capacity of a BS88-6 device at 415v, as detailed in the On Site guide

• 80kA
• 16.5kA
• 33kA
• 31.5kA

identify the maximum 'measured' Zs value allowed for a type B 16A circuit breaker to BSEN60898, as detailed in the On Site guide

• 3.5 ohms
• 1.09 ohms
• 2.2 ohms
• 1.58 ohms

determine the minimum conduit size to accommodate 2x 2.5 mmsq and 7x 10 mmsq, stranded copper conductors in a 2 metre straight conduit run

• 38mm conduit
• 32mm conduit
• 20mm conduit
• 25mm conduit

if an overcurrent occurs in an otherwise healthy circuit, this would be called ........

• an open circuit
• an earth fault
• a short circuit
• an overload