The instrument that sets how a building electrical installation is made is the National Building Code, 2024, Legal Notice No. 47. The making words are: IN EXERCISE of the powers conferred by section 42 (2) (aa) of the National Construction Authority Act, the Cabinet Secretary for Lands, Public Works, Housing and Urban Development, in consultation with the Board of the National Construction Authority, makes the following Code. The printed heading is Kenya Gazette Supplement No. 36, 20th February, 2024, (Legislative Supplement No. 26). The weekly gazette is Vol. CXXVI—No. 28, NAIROBI, 1st March, 2024. Its contents list SUPPLEMENT No. 36 and 47—The National Construction Authority Act—The National Building Code, 2024, page 397.
Paragraph 1: This Code may be cited as the National Building Code, 2024 and shall come into operation one year after publication. That sentence does not name a calendar day. Kenya Law history of this instrument: 20 February 2025, Commenced; 01 March 2024, this version, Published in Kenya Gazette 28; 20 February 2024, Assented to. That history has no amendment entry. Paragraph 517: The Local Government (Adoptive By-Laws) (Building) Order, 1968 is revoked. The marginal note is Revocation of L. N. 15 of 1968.
Paragraph 312 (1): Electrical installation work in a building shall be carried out in accordance with— then (a) the Energy Act, 2019; (b) KS 662 (Electrical Installations); then named KS IEC switchgear and enclosure standards. The (n) entry ends ; or and (o) is BS 7671 (Requirements for Electrical Installations - IET Wiring Regulations). Paragraph 312 (2): This Part shall not apply to a conductor, apparatus or appliance which does not form part of a building or fixture thereof, or an electrical system on a construction site. Paragraph 313 (1): An electrical conductor or apparatus shall be of the size and current rating in accordance with BS 7671 (Requirements for Electrical Installations IET Wiring Regulations). That title has no hyphen before IET. Paragraph 315 requires the metal to be earthed in accordance with BS 7671 (Requirements for Electrical Installations - IET Wiring Regulations). That title has the hyphen. The fetched text does not call KS 662 or BS 7671 voluntary.
The fetched Code does not name IEC 60364, KS IEC 60364, or HD 60364. Part XV sets no conductor cross-section. It has no millimetre, square millimetre, mm, or mm² for a conductor.
The Standards Order, Legal Notice 215 of 1989, was published in Kenya Gazette Vol. XCI—No. 28 on 7 July 1989 and commenced on 7 July 1989. Kenya Law marks it revised by the 24th Annual Supplement (Legal Notice 221 of 2023) on 31 December 2022, and as the latest version. Paragraph 2: no person shall manufacture or sell those commodities or use those methods and procedures on or after a date which is six weeks after the date of publication of this Order unless the commodities and methods and procedure comply with the requirements of the relevant Kenya Standards. The Schedule names KS 04-662: 1988 Kenya standard specification for wiring regulations. Part 1: Electrical installation in building. Part 2: Requirements for special installations and locations. That order is not Legal Notice No. 47.
The Standards Order, Legal Notice 122 of 2002, was published in Kenya Gazette Vol. CIV—No. 46 on 12 July 2002 and commenced on 12 July 2002. Kenya Law marks it revised by the 24th Annual Supplement (Legal Notice 221 of 2023) on 31 December 2022, and as the latest version. Paragraph 2 uses on or after forty-two (42) days of the date of publication of this Order. The Schedule names KS 662-4/2001 and Kenya standard specification for wiring regulations. Part 4: Protection for safety. That order is not Legal Notice No. 47.
The Electrical Power (Electrical Installation Work) Rules, 2006, Legal Notice 115 of 2006, were published in Kenya Gazette Vol. CVIII—No. 64 on 1 September 2006 and commenced on 1 September 2006. Rule 2: These Rules shall apply to all premises and areas in Kenya. The fetched text does not name a wiring standard, IEC 60364, KS 662, or BS 7671. The fetched Energy Act, 2019 text, marked by Kenya Law as the latest version and revised on 31 December 2022, does not name IEC 60364, KS 662, or BS 7671.
Sources: https://new.kenyalaw.org/akn/ke/act/ln/2024/47/eng@2024-03-01 https://new.kenyalaw.org/akn/ke/act/ln/2024/47/eng@2024-03-01/source.pdf https://new.kenyalaw.org/akn/ke/officialGazette/gazette/2024-03-01/28/eng@2024-03-01 https://new.kenyalaw.org/akn/ke/act/ln/1989/215/eng@2022-12-31 https://new.kenyalaw.org/akn/ke/act/ln/2002/122/eng@2022-12-31 https://new.kenyalaw.org/akn/ke/act/ln/2006/115/eng@2006-09-01 https://new.kenyalaw.org/akn/ke/act/2019/1/eng@2022-12-31
