Which one of the following electrical accessory is required to provide with Underwriters Knot ?

Two way switch

Ceiling rose

Intermediate switch

Batten holder

Kit-kat fuse

Ceiling rose

Intermediate switch

Socket

3 pin wall socket 16A/240V

Two way switch fuse type 6A/240V

Batten lamp holder 6A/240V

Rewirable fuse 5A

6, 16 and 32 amperes

5, 16 and 32 amperes

5, 15 and 32 amperes

6, 15 and 32 amperes

Single Phase Tumbler switch

Single Power Tumbler switch

Single Pole Tumbler switch

Single Pole Tough switch