Identify the type of SPD to be used near terminal equipment in a circuit
identify the tool used to determine if an accessory is horizontally level
Which of the following would be an appropriate installation method of SWA (steel wired armoured)?
identify the device that operates using only the thermal effects
when applying DIVERSITY to discharge lighting (such as fluorescent lamps), identify the multiplication factor that should be applied to the lamp wattage
Identify the minimum c.s.a for the conductors used to connect a type 2 SPD at the origin of an installation
Identify the maximum spacing of supports requirement for a steel conduit, in a vertical position, with a diameter of exactly 40mm
identify the device that gives 'no-volts' protection for rotating machines
identify the main advantage of SWA cable over pvc flexible cables
identify the minimum height that a bare overhead lined on insulators (without intermediate support) should be installed at when passing across a roadway
identify the appropriate method for a site supervisor on a busy worksite to determine who is on/off site at any time, should an emergency occur
select the appropriate method to identify any damage to building fabric prior to undertaking electrical work in the building.
What is the purpose of expansion couplers with regard to PVC conduit?
identify the appropriate cable type for a 230v AC portable domestic appliance
Identify the factor for a 2.5mmsq stranded conductor to be installed in a short, straight length of conduit
identify the maximum 'measured' Zs value allowed for a type D 40A circuit breaker to BSEN60898, with a 5 second disconnection time, as detailed in the On Site guide
identify the maximum 'measured' Zs value allowed for a type B 32A circuit breaker to BSEN60898, with a 0.4 second disconnection time, as detailed in the On Site guide
What colour should 110V cabled equipment be identified as
What is the disconnection time for portable equipment rated at under 63A, supplied by socket-outlet on a TT Supply system?
What colour is a 30A BS3036 fuse?
Which one of the following is a 'rewirable fuse' type ?
Which one of the following is an exposed conductive part?
What is the disconnection time for portable equipment rated at under 32A, supplied by socket-outlet on a TN Supply system?
Which one of the following best describes the operation of a RCD?
What is the disconnection time for fixed equipment rated at over 32A, installed on a TN Supply system?
State the minimum size for a supplementary bonding conductor that is not protected against mechanical damage?
Identify the chapter in BS7671 that details protection against electric shock
Identify the name of the earthing conductor that connects exposed conductive parts to the main earthing terminal (MET)?
What are the 3phase colours used in the UK?