Regulation 4

For Regulation 6 of the principal Regulations there shall be substituted the following Regulation:—

“6

(1)

The insertion loss of the luminaire within the meaning of Clause 3.5 of BS5394: 1983 as measured by the method prescribed in Clause 5 thereof shall not be less than the minimum values relevant to that luminaire prescribed in Clause 4 thereof (being values which are related to the frequencies at which the fluorescent lighting apparatus generates electro-magnetic energy).

(2)

In relation to the testing of a luminaire and the minimum values of insertion loss thereof the relevant procedures, requirements and specifications set out in BS5394: 1983 shall be complied with.”.