UK SIC 2007 27330: Manufacture of wiring devices

Maps to NACE Rev. 2 27.33 and NACE Rev. 2.1 27.33. ISIC Rev. 4: 2733.

UK SIC 2007 code 27330 is "Manufacture of wiring devices". UK SIC 2007 follows NACE Rev. 2 at four digits and adds a national fifth digit, so the first four digits, 27.33, are the NACE Rev. 2 class "Manufacture of wiring devices". UK companies state one or more SIC codes when they file at Companies House, and the codes appear in the company record. In NACE Rev. 2.1 the matching class is 27.33, "Manufacture of wiring devices".

Conversion

Classification	Code	Label
UK SIC 2007	27330	Manufacture of wiring devices
NACE Rev. 2	27.33	Manufacture of wiring devices
NACE Rev. 2.1	27.33	Manufacture of wiring devices
ISIC Rev. 4	2733

What the class includes (NACE Rev. 2 notes)

This class includes the manufacture of current-carrying and non current-carrying wiring devices for electrical circuits regardless of material. This class includes: - manufacture of bus bars, electrical conductors (except switchgear-type) - manufacture of GFCI (ground fault circuit interrupters) - manufacture of lamp holders - manufacture of lightning arrestors and coils - manufacture of switches for electrical wiring (e.g. pressure, pushbutton, snap, tumbler switches) - manufacture of electrical outlets or sockets - manufacture of boxes for electrical wiring (e.g. junction, outlet, switch boxes) - manufacture of electrical conduit and fitting - manufacture of transmission pole and line hardware - manufacture of plastic non current carrying wiring devices including plastic junction boxes, face plates and similar, plastic pole line fittings and switch covers

What it excludes

This class excludes: - manufacture of ceramic insulators, see 23.43 - manufacture of electronic component-type connectors, sockets, and switches, see 26.11

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UK SIC 2007: Companies House condensed list of the ONS classification (gov.uk, Open Government Licence v3.0), read 2026-10-05. NACE data: EU Vocabularies (CC BY 4.0). Information only.