BS 7671

BS 7671 - British Standard

Ensure Compliance with BS 7671 Standard using Trusted Calculations

ETAP BS 7671 Cable Sizing & Shock Protection provides a comprehensive and accurate module in compliance with the latest British Standard 7671 standard for design and sizing of low voltage cables. ETAP Cable Sizing software suite offers powerful features to save time and improve accuracy for cable calculation and electrical design of phase, neutral and earth conductors.

Quickly & accurately calculate cable sizes per BS 7671:2018
Complete Sizing & Electric Shock Protection module
Cable Model Forms per BS 7671:2018+A2:2022
Extensive cable libraries including BS 7671 regulation cable types
Fully integrated with load flow, short circuit & protective device coordination modules
Simulation & alerts based cable size adequacy using 'what if' scenarios
Intelligent cable current carrying capacity assessment & temperature correction
Current carrying capacity evaluation for various cable layouts

Cable Raceway Installations

ETAP’s cable capacity calculation handles both above ground (A/G) and underground (U/G in duct and buried) installations:

A/G Conduit (thermally insulated wall, attached to wall, masonry, unventilated or ventilated channel)
A/G Trays (perforated, unperforated)
Air Drop (suspended, on insulators)
Architrave
Window Frame
Building Voids (direct, conduit, ducting, ceiling, suspended floor)
Brackets
Chanel (open, ventilated)
Embedded Direct (thermally insulated wall, mouldings, masonry)
Ladder
Wire Mesh
Open & Clipped Direct (on wall, under ceiling, spaced from ceiling)
Trunking (on wall, suspended, flush floor, skirting)
U/G Duct
U/G Buried (direct, conduit)
Masonry (cable ducting)