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hi guys if a bank of 20 sockets wired in surface trunking on a radial circuit,these sockets would be used for computers gameboys and music equipment,my question is would they need to be rcd protected ? i know normally they would not,it's just that my mate said if protecting computers they should, i cannot find anything on this
 
hi guys if a bank of 20 sockets wired in surface trunking on a radial circuit,these sockets would be used for computers gameboys and music equipment,my question is would they need to be rcd protected ? i know normally they would not,it's just that my mate said if protecting computers they should, i cannot find anything on this
If the said socket outlet circuit is subject to high earth leakage current then the circuit needs to be wired differently than a normal Ring FC or Radial FC as per Regulation 543.7.1.201 information can be found on page 81 OSG and Figures 7.5.3 (1) and 7.5.3 (11) Page 82 OSG
 
If the said socket outlet circuit is subject to high earth leakage current then the circuit needs to be wired differently than a normal Ring FC or Radial FC as per Regulation 543.7.1.201 information can be found on page 81 OSG and Figures 7.5.3 (1) and 7.5.3 (11) Page 82 OSG
i would be running a separate earth along with dual earth terminals just cannot see anything regarding rcd
 
to omit RCD protection for these sockets, you would have to do a written risk assessment justifying a reason why. what's to stop someone plugging in a faulty appliance?
 
to omit RCD protection for these sockets, you would have to do a written risk assessment justifying a reason why. what's to stop someone plugging in a faulty appliance?
these sockets are for my friend and will be solely for computer and stereo equipment and not for outdoor purposes etc
 
Unless the sockets are intended for specific items of equipment, they will need RCD protection.
Haven’t gotten round to checking whether the 18th has changed this.
It is still in the 18th Ed.
 
411.3.3 Additional protection requirements for socket-outlets and for the supply of mobile equipment for use outdoors
In AC systems, additional protection by means of an RCD with a rated residual operating current not exceeding 30mA shall be provided for:
(i)socket-outlets with a rated current not exceeding 32A, and
(ii)mobile equipment with a current rating not exceeding 32A for use outdoors.
An exception to (i) is permitted where, other than for an installation in a dwelling, a documented risk assessment determines that RCD protection is not necessary.
 

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