Resources
Electrical design resource hub
The reference points we actually use: standards sources, manufacturer selectors, distributor part data, cable datasheets and CAD libraries. Curated and maintained by Gedelec — external links are not endorsements, and standards should always be read from your own licensed copy.
Standards & guidance
Where the standards live and the free guidance around them. Buy licensed copies — never work from second-hand extracts.
BSI Knowledge
Buy and subscribe to BS 7671, BS EN 60204-1, BS EN 61439 and the rest of the catalogue.
knowledge.bsigroup.com ↗IET Wiring Regulations hub
Amendment updates, corrigenda and guidance publications around BS 7671.
electrical.theiet.org ↗IET Electrical Standards & Guidance
Codes of practice, guidance notes and Wiring Matters articles.
electrical.theiet.org ↗IEC Webstore
International editions — IEC 60204-1, 61439, 60909, 61508/61511.
webstore.iec.ch ↗HSE — Electrical safety at work
Electricity at Work Regulations guidance, HSR25 and machinery safety resources.
hse.gov.uk ↗Electrical Safety First
Best-practice guides and consumer-facing safety material.
electricalsafetyfirst.org.uk ↗BEAMA
UK manufacturers' association — technical bulletins on LV assemblies, SPDs and EV infrastructure.
beama.org.uk ↗Manufacturer portals & configurators
Selection tools, catalogue data, CAD models and certificates straight from the manufacturers used in Gedelec BOM presets.
Schneider Electric product selector
Acti9, TeSys, ComPact, Altivar — datasheets, curves and CAD downloads.
se.com ↗Siemens SiePortal
SIRIUS, SENTRON, SINAMICS catalogue, configurators and CAx data.
sieportal.siemens.com ↗ABB product catalogue
System pro M, Tmax, AF contactors — technical data and selectivity tables.
new.abb.com ↗Eaton catalogue
xEffect, PKZ, NZM, PowerXL ranges with configuration tools.
eaton.com ↗Rittal configurators
AX/VX25 enclosure sizing, climate control (Therm) and accessory selection.
rittal.com ↗Phoenix Contact
Terminals, relays, PSUs — with the free Project Complete planning tool.
phoenixcontact.com ↗WAGO
TOPJOB S rail terminals, smart configurators and CAE data.
wago.com ↗Distributors & part data
Live pricing, stock and datasheets for BOM pricing; aggregate search across distributors before committing a preferred part.
Octopart
Aggregated part search across distributors — price breaks, stock and datasheets in one place.
octopart.com ↗RS Components
Broadest UK panel-shop range with next-day delivery.
uk.rs-online.com ↗Farnell
Electronics-leaning stock, strong on control and automation brands.
uk.farnell.com ↗CEF
National electrical wholesaler — cable, containment, distribution boards.
cef.co.uk ↗Edmundson Electrical
Trade wholesaler network for project quantities.
edmundson-electrical.co.uk ↗Digi-Key
Deep electronic component stock when the design edges into PCB or instrumentation territory.
digikey.co.uk ↗Cable data & calculators
Manufacturer datasheets for the cable actually being installed beat generic tables every time.
Prysmian UK
BS 5467/6724 SWA, 6491B and LSZH ranges with full datasheets.
prysmian.com ↗Doncaster Cables
UK-made general wiring cables and technical data.
doncastercables.com ↗Eland Cables
Very broad catalogue with per-cable technical datasheets and a knowledge hub.
elandcables.com ↗Batt Cables
SWA, flexible and instrumentation cable stockist with datasheets.
battcables.com ↗Voltimum UK
Manufacturer-backed technical articles on wiring regs and cable selection.
voltimum.co.uk ↗CAD, symbols & drawing data
Model and symbol sources that keep drawings consistent with the BOM.
TraceParts
Free 2D/3D CAD models across most electrical manufacturers.
traceparts.com ↗GrabCAD
Community CAD library — useful for enclosures and mechanical detail.
grabcad.com ↗EPLAN Data Portal
Manufacturer-maintained schematic macros and article data for EPLAN users.
eplan.com ↗Autodesk AutoCAD Electrical
Toolset docs, catalogue database structure and symbol libraries.
autodesk.com ↗IEC 60617 symbol database
The official graphical-symbol reference for schematics (subscription).
std.iec.ch ↗Gedelec tools
Our own deterministic engines — every figure from a tested engine, never a language model.
Load schedule
Connected and diversified loads → kVA, FLC and design current.
Open tool →Cable sizing & volt drop
First-principles CSA selection within a volt-drop limit.
Open tool →Fault level
Preliminary prospective short-circuit current (IEC 60909, simplified).
Open tool →BOM creator
Approved component library with brand presets and ACAD-E-friendly CSV export.
Open tool →Compliance checklist
Internally authored pre-issue review — a prompt for the engineer.
Open tool →Have a spec that needs turning into a design?
Drop it into the Design Pack — the assistant triages it and pre-fills the right tools.