Sudoku | ascotcollege

A Sudoku with a difference, solve the clues, then solve the puzzle!.

Ten minutes = Good work, your hired!

Fifteen minutes = OK not too bad.

Twenty minutes = when shall we book you in for a course?

C

D

H

B

A

F

E

I

B

C

G

D

B

A

G

A

D

G

I

A

E

B

H

I

H

E

D

C

B

D

F

I

C

B

A = nominal rating in Amperes for a standard domestic lighting circuit mcb.

B = this part of BS7671 details special locations and installations.

C = IPX ? is suitable for permanent submersion.

D = number of live conductors in a standard radial circuit.

E = approximate tabulated Zs value for a 5A BS3036 for a 0.4s disconnection time.

F = number of circuits that can be covered on a single Minor Electrical Installation Works Certificate.

G = standard disconnection time for a reduced low-voltage system in seconds.

H = number of 'steps' to carry out continuity testing on a ring final circuit.

I = number of live conductors supplying a standard three-phase distribution board.

C

D

H

B

A

F

E

I

B

C

G

D

D

B

A

G

A

D

G

I

A

E

B

H

I

H

E

D

C

B

D

F

F

I

C

B

A = nominal rating in Amperes for a standard domestic lighting circuit mcb.

​

B = this part of BS7671 details special locations and installations.

​

C = IPX ? is suitable for permanent submersion.

​

D = number of live conductors in a standard radial circuit.

​

E = approximate tabulated Zs value for a 5A BS3036 for a 0.4s disconnection time.

​

F = number of circuits that can be covered on a single Minor Electrical Installation Works Certificate.

​

G = standard disconnection time for a reduced low-voltage system in seconds.

​

H = number of 'steps' to carry out continuity testing on a ring final circuit.

​

I = number of live conductors supplying a standard three-phase distribution board.