Electrician/Techniques

Learn the technique.

Step-by-step guides to electrical techniques — installation and routing mandatory verification RCD testing and troubleshooting explained so it can be used in practice with correct figures

6 categories · 13 guides

Safety

Working dead — the 5 safety rules

How to make an installation safe to work on

Verification & testing

Inspection before energising

Part A of the verification — the visual inspection without voltage

Measuring insulation resistance

How to verify that the insulation is sound

Continuity testing of PE and bonding

How to make sure the protective conductor is continuous all the way

Measuring voltage drop under load

Measure the real voltage drop — not just the calculated one

Protection & residual current

Testing the RCD

Test button and instrument test at 0.5× and 5× the rated residual current

Choosing the RCD type

Type AC, A, F or B — how to make the right choice

Installing earthing and equipotential bonding

Main earthing terminal, protective equipotential bonding and earthing system

Assembly & installation

Installing a distribution board

From enclosure and DIN rail to circuit diagram and labelling

Installing an earthed socket outlet

Danish earthed socket — correct polarity and PE

Cable routing and containment

The right cable type, conduit, trunking and fire stopping

Charging stations

Connecting an EV charging point

From a separate circuit and choice of RCD to commissioning (DS/HD 60364-7-722)

Troubleshooting

Tracing earth faults

How to narrow down why the RCD trips