MCCB Max Zs Values
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.
60947-2 Max Zs Charts
Print or download max Zs tables for BS EN 60947-2 protective devices with the max zs values app.
Cable Calculator App Update – 2019
Another update to the cable sizing calculator, Cable Calc. Find out what’s new in this version.
How to Calculate kVA
How to calculate to and from kVA, Amps, kW, Volts and Power Factor, with single phase and three phase calculation examples.
Local Isolation for Kitchen Appliances
Recommended locations of local isolators and fused spurs for kitchen appliances, distances and locations to be readily accessible, find out here.
Distance of a socket from a sink
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.
Max Zs Values App Update for 2019
We have published an update to the Max Zs Values app, find out what great new features this 2019 version brings.
How to code observations for an EICR
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.
Max Zs Values 18th Edition BS 7671
Learn how to calculate the maximum earth loop impedance values to the 18th edition of the wiring regulations. 100% and temperature adjusted Zs.
SPD Surge Protection Devices – Types & Uses
Discover the types of SPD’s and the application of surge protection devices.