A site induction for electrical contractors is not the same as the generic construction induction. Existing electrical infrastructure, switchgear locations, isolation arrangements and asbestos in older properties all change what an electrician needs to know before plugging in a single tool. This guide gives you the full induction checklist plus the legal framework (CDM 2015, EAWR 1989, CAR 2012) that supports it.
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A generic construction site induction tells you where the fire muster point is, who the first-aider is and which PPE is required. That is the legal minimum. It does not, however, tell an electrician where the incoming supply enters the building, whether the existing distribution boards have been tested for the current installation, which circuits remain live during phased handover, or whether asbestos-containing materials sit in the ceiling void above the cable run you are about to install.
Those gaps matter because the electrical contractor is, in the eyes of the Electricity at Work Regulations 1989, the duty-holder for the electrical work they carry out. Regulation 4(3) requires every work activity on or near an electrical system to be carried out in such a manner as not to give rise to danger. You cannot satisfy that duty if you have not been told where the danger sits.
Most electrical incidents on refurbishment projects do not involve the new work — they involve unidentified existing circuits. A circuit thought to be dead is back-fed from a sub-board, a TN-C-S earthing arrangement is misidentified as TN-S, a sub-main is live but unlabelled. The induction is your first and best chance to surface these before you reach for the test leads.
A tailored electrical induction also covers the situations that catch electricians out more than any other trade: lone working in basement plant rooms, working at height to install containment, dust and fumes from chasing walls in pre-2000 buildings, and confined-space entry for cable pulling. Each of those has its own regulatory framework — see our lone working guide and working at height guide.
Every key change in the 2026 amendment on one page. AFDDs, TN-C-S protection, new schedule columns, model forms. Pinned on your van dash.
The legal requirement to provide a site induction depends on the project structure under the Construction (Design and Management) Regulations 2015.
HSE Approved Code of Practice L153 "Managing health and safety in construction" gives practical guidance on CDM 2015. Following ACOP L153 is not legally required, but a court will treat compliance with the ACOP as strong evidence that duties have been met. Deviation from it requires justification.
For larger projects, see also our CDM 2015 for electricians guide which covers the full duty-holder map including client, designer, principal designer, principal contractor and contractor roles.
The induction checklist below combines HSE INDG163 "A brief guide to health and safety induction" with the electrical-specific items required by EAWR 1989 and BS 7671:2018+A4:2026 working practices. Use it as the agenda for any induction you receive or deliver.
These are the items a generic construction induction will not cover but every electrical contractor needs before tools come out of the van.
Regardless of what the induction tells you, you must prove dead before working on any circuit you believe to be isolated. Use a GS38-compliant voltage indicator, prove it on a known live source before and after the test, and lock off at source. See our safe isolation method statement guide.
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Asbestos was banned in the UK in 1999. Any building constructed or refurbished before 2000 is treated as potentially containing asbestos unless an asbestos survey proves otherwise. Electricians are disproportionately exposed because their work disturbs the materials most likely to contain asbestos: ceiling tiles, cement panels in switchgear cupboards, insulation boards around old fuse boards, textured coatings on ceilings and walls, and pipe lagging in plant rooms.
There is no prescribed format for a site induction record. The practical options are:
Although there is no specific retention period in CDM 2015 or EAWR 1989 for induction records, the Health and Safety at Work etc Act 1974 enforcement window and the typical limitation period for personal injury claims (3 years from date of knowledge) means induction records should be retained for at least 3 years, ideally for the life of the project plus 6 years.
A repeatable six-step pattern for any electrical contractor arriving on site, whether you are inducting in or being inducted.
Ask for the construction phase plan, asbestos register, existing EICR or commissioning records, single-line diagram and emergency procedures. Review before turning up so the induction is a confirmation, not a discovery.
Physical walk-through to the incoming supply, every distribution board you will work on, the fire alarm panel, fire-fighting equipment locations and the muster point. Confirm earthing arrangement and isolation points on the walk.
Under CAR 2012 Regulation 4 the dutyholder must make the register available. Sight it during induction, photograph or note the location of any flagged materials, and confirm what is in your work areas.
Open your RAMS pack and confirm every hazard the induction surfaced is addressed in your method statement and risk assessment. If new hazards have emerged, update the RAMS before starting work.
Sign the induction record, ensure the inductor signs, keep a copy (digital or paper). Retain for at least 3 years — ideally for the life of the project plus 6 years.
If the project moves phase, the principal contractor changes, the supply arrangement changes or you return after an extended absence, request a re-induction. Document it the same way.
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