Blog APN Elec

Ut enim ad minima veniam, quis nostrum exercitationem

The 18ᵗʰ Edition of BS 7671:2018 Wiring Regulations

The 18th Edition of BS 7671:2018 Wiring Regulations has been published and came into effect on the 1st of January 2019. The new Regulations in the 18th Edition have significant impact on the design of residential (domestic) electrical systems.


Many of these changes concern the consumer unit or fuse box.
Here is a list of articles soon to be posted on this blog. All of them are important to consider in light of this new legislation.

These upcoming reports are intended for use by residential customers as well as electricians who are welcome to use these valuable resources.


Arc Fault Detection (421.1.7)

Arc Fault Detection (421.1.7)

Devices conforming to BS EN 62606 are recommended as a means of providing additional protection against fire caused by arc faults in ac final circuits.

Surge Protection (443.4)

Surge Protection (443.4)

We all have a lot of Electronic devices in our homes, and because of this we need to protect against transient over-voltages. 

Arc Fault Detection (421.1.7)

RCD Selection (531.3.3)

Different types of RCD’s exist, and it is important to select the appropriate one for the job…

Surge Protection (443.4)

Overload Protection of RCCBs, Switches (536.4.3.2) and (536.4.202)

These devices shall be protected by an overcurrent protective device. To achieve overload protection of RCCB switches the rated current of the over-current protective device shall be selected according to the manufacturers instructions.


Not any article

Post a Comment