Regulation 4 of the Principal Regulations is amended as follows:

(a) by omitting from subregulation (1)(d) "work." and substituting "work;" ;

(b) by inserting the following paragraph after paragraph (d) in subregulation (1) :

(e) work on a battery, or other electricity storage system, that is –

(i) installed, stationary or fixed in position; and

(ii) for the purpose of supplying electricity to an electrical installation –

or that is work on fittings, equipment, or accessories, associated with such a battery or other electricity storage system.

(c) by omitting paragraph (c) from subregulation (2) and substituting the following paragraph:

(c) extra low voltage electrical work if the work is performed on –

(i) an electrical installation that is –

(A) compliant with the standard relevant to that electrical installation; and

(B) located in an area that is not a hazardous area –

and the work is not work specified in subregulation (1)(e) ; or

(ii) a portable electronic device or remote control; or

(iii) the electrical supply system for a vehicle or vessel; or

(iv) a train.

(d) by omitting from subregulation (2)(f) "earth." and substituting "earth; or" ;

(e) by inserting the following paragraph after paragraph (f) in subregulation (2) :

(g) electrical work performed on an aircraft.

(f) by inserting the following subregulation after subregulation (2) :

(3)  In this regulation –

electrical supply system means a system for the supply of electricity for the starting or propulsion of, or operation of the electrical accessories of, a vehicle or vessel, but does not include a system, for the supply of electricity, that is installed in the vehicle or vessel solely for activities unrelated to the use of the vehicle or vessel as a means of transport.