insert
(3A) Subsection (3B) applies if—
(a) the direction requires the person who carried out the electrical wiring work to do a thing; and
(b) the person—
(i) is not licensed, authorised or qualified to do the thing; or
(ii) if a licence, authorisation or qualification is not required to do the thing—does not have appropriate experience and skill to do the thing.
(3B) The person must arrange, and pay for, the thing to be done by someone who—
(a) is licensed, authorised or qualified to do the thing; or
(b) if a licence, authorisation or qualification is not required to do the thing—has appropriate experience and skill to do the thing.