What is a BS 7288?

What is a BS 7288?

BS 7288:2016 applies to residual current-operated devices (RCD) incorporated in, or specifically intended for use with, single pole and neutral and single pole and switched neutral and double pole socket-outlets, with provision of earthing of the socket-outlet for household and similar uses (SRCD: socket-outlet …

Do sockets need to be RCD protected?

For new installations and rewires, all socket-outlets with a rated current not exceeding 32A need to have additional protection by RCD, except where other than for an installation in a dwelling, a documented risk assessment determines that the RCD protection is not necessary.

Do 32A sockets need RCD protection?

411.3. “There is now an additional requirement for a 30mA RCD for sockets rated up to and including 32A – this regulation used to only apply to sockets rated up to 20A. The requirement for this level of RCD protection for socket outlets which could be used to supply portable outdoor equipment remains unchanged.

What code is no RCD on sockets?

C2
The socket-outlet circuit appears to have no RCD protection; if the sockets are supplying equipment outside, this would be a C2, otherwise a C3.

What is a BS4293?

BS4293 is the old BS standard for an RCD. The Crabtree C50 RCBOs are marked BS4293 so that has overload protection.

What sockets protect RCD?

RCD sockets have a built in residual current device which is designed to trip and cut the power if a fault with the current is detected. This helps to protect both appliances from damage and users from electric shocks if a bare wire is touched.

Is no RCD a C1?

C1 – there is a risk of injury, danger present, and instant remedial action needed. C2 – there is a potential hazard present, and immediate remedial work is needed. C3 – improvement is advised. within the inspection schedule.

Is having no RCD protection a C2?

An landlord electrical report can still be classed as SATISFACTORY even if the installation has a number of C3 issues. There are however a number of situations where the lack of RCD protection is considered more of a danger and thus would be coded as C2 – POTENTIALLY DANGEROUS.

Are rcrcd sockets covered by BS 7288?

RCD sockets are covered by BS 7288 which is not listed, I would recommend you have a look at this Standard to see what it says regarding additional protection. The comment of additional protection is key and as we have already mentioned, BS 7288 mentions that additional protection is required upstream.

What does BS 7288 apply to?

BS 7288:2016 applies to residual current-operated devices (RCD) incorporated in, or specifically intended for use with, single pole and neutral and single pole and switched neutral and double pole socket-outlets, with provision of earthing of the socket-outlet for household and similar uses (SRCD: socket-outlet residual current devices).

Why do socket-outlets have RCDS?

In many situations over time, socket-outlets with RCDs built in, known as SRCDs to BS 7288, were selected for protection on a here and there basis if the socket-outlet could supply equipment to be used outdoors.

What is the difference between BS 7288 and BS 7671 isolation?

Isolation is a requirement for additional protection as suggested in 415.1 of BS 7671, yet BS 7288 considers removal of the plug as isolation. This difference in consideration allows for devices to be installed in SRCDs with a much smaller clearance gap within their devices.