(Solved): A ring final circuit may have how many fused spurs? a) Unlimited - providing the 75m^(2) floor area ...

A ring final circuit may have how many fused spurs? a) Unlimited - providing the

floor area is not exceeded b)

of the number of socket outlets and items of fixed equipment on the ring c) Equal to the number of socket outlets and items of freed equipment on the ring d) Unlimited - providing the

floor area is not exceeded Which statement is incorrect? Aluminium conductors must not be used for cables having a CSA less than

because aluminium: a) Has a lower resistivity than copper b) Is more likely to fracture and break with repeated bending c) Size-for-size gets hotter than copper cables d) Has a higher resistivity than copper The relationship between the phase and line voltages in a 3-phase star generator is expressed by the formula: a)

b)

c)

d)