18th Edition Amendment 1
BS7671 Amendment 1 – Section 722 Electric Vehicle Charging Installations.
Also download the Corrigendum to BS 7671 pdf.
BS7671 Amendment 1 – Section 722 Electric Vehicle Charging Installations.
Also download the Corrigendum to BS 7671 pdf.
Maximum earth loop impedance values (Zs) for BS EN 60947-2 MCCB’s vary between manufactures. Find the correct chart with the Max Zs Values app.
Print or download max Zs tables for BS EN 60947-2 protective devices with the max zs values app.
Another update to the cable sizing calculator, Cable Calc. Find out what’s new in this version.
How to calculate to and from kVA, Amps, kW, Volts and Power Factor, with single phase and three phase calculation examples.
Recommended locations of local isolators and fused spurs for kitchen appliances, distances and locations to be readily accessible, find out here.
Recommendations and guides on locating sockets, spurs and isolators near a kitchen sink. Electrical accessories should be located at a safe distance from sink or drainer unit.
We have published an update to the Max Zs Values app, find out what great new features this 2019 version brings.
A guide to selecting and coding EICR observations. EICR codes include C1, C2, C3, FI and N/V, find out what they mean and how to use them.
Learn how to calculate the maximum earth loop impedance values to the 18th edition of the wiring regulations. 100% and temperature adjusted Zs.