Expert Guides
Practical tips for electrical professionals
In-depth guides, calculators and decision aids for electrical installation — from cable sizing to smart home planning.
Featured Lighting Design – Planning Light Circuits Correctly
Lux values per room, switching types (two-way, crossover, dimmer) and LED driver selection. A practical guide for lighting planning.
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Installation 10 min Planning meter cabinets correctly – dimensioning and future-proofing
Structure, TAB requirements, reserve spaces, and costs. Practical guide for meter cabinet planning in new construction and renovation projects.
Protection 9 min Planning surge protection correctly – SPD types 1, 2, and 3 compared
Mandatory since DIN VDE 0100-443: When to use which SPD type? Installation location, cascading, and combination with PV systems explained.
Installation 10 min Planning networks and data cables – structured cabling in new buildings
Cat6a vs. Cat7 vs. fiber optics: Room planning, network cabinets, access points, and installation tips for future-proof data cabling.
Renewable Energy 11 min Connecting a heat pump – Electrical requirements and installation
Three-phase connection, fuse protection, cable cross-section, SG-Ready, and heat pump tariff. Everything you need to know about electrical installation for heat pumps.
Installation 11 min Electrical installation in old buildings – safe and standard-compliant renovation
Recognize classic zeroing, switch from TN-C to TN-S, retrofit RCDs, and modernize step by step. Guide for electrical systems in older buildings.
Installation 10 min Outdoor & garden electrical systems – Safe installation in outdoor areas
IP protection classes, laying underground cables, garden lighting, and outdoor sockets. Standards and practical tips for outdoor electrical installations.
Smart Home 9 min Electrifying roller shutters and awnings – motorization and control
Tubular motors, wiring, central control, and smart home integration. Guide to electric shading systems.
Tools & Calculators 10 min E-check & test reports – Testing electrical systems in accordance with standards
Initial inspection vs. periodic inspection, measurement methods, inspection reports, and common defects. Guide based on DIN VDE 0100-600.
Protection 8 min Bathroom Protection Zones – Electrical Installation Guide
Which electrical devices are permitted in which zone? Protection zones 0, 1, 2 and beyond explained clearly with IP protection ratings.
Protection 9 min Choosing the Right MCB – Type B, C, D Comparison
Trip characteristics, rated currents and sizing of miniature circuit breakers. With selectivity guidance and RCD coordination tips.
Installation 12 min Planning electrical installation – Complete guide for your building project
Step-by-step electrical planning: sockets, switches, distribution, future-proofing. With checklists.
Renewable Energy 11 min Wallbox Installation – Electrical installation for EV charging stations
Technical requirements, cable sizing, RCD protection and grid connection for wallbox installations.
Renewable Energy 12 min Photovoltaic & electrical installation – Professional PV system connection
Electrical requirements for PV systems: DC wiring, inverters, storage, grid connection and protection.
Protection 10 min Choosing the right RCD – Type A, B, F comparison
Which RCD for which application? Clear explanation of residual current device types with selection guide.
Tools & Calculators 8 min Cable sizing – The calculator for the right cross‑section
Calculate current, power and the correct cable cross‑section. Includes notes on voltage drop and current carrying capacity.
Smart Home 15 min Planning a smart home – How to choose the right system
Comparison of KNX, Loxone, ZigBee/Z‑Wave and Wi‑Fi. Decision guide based on budget, new build/retrofit and scope.
Installation 10 min Plan socket outlets correctly – heights, distances and recommendations
Practical guide for mounting heights, distances and room checklists – aligned with standards and easy to follow.