Do all domestic circuits need RCD protection?
2. BS 7671 requires most if not all circuits in domestic premises to be RCD-protected. … Separate RCD protection is not necessarily required for each circuit of an installation but, in order to minimize the likelihood and consequences of tripping, a single (‘front end’) RCD should not be used to protect all the circuits.
What requires RCD protection?
RCDs protect humans against electrocution in a way that fuses and circuit breakers do not. … If you have a new circuit installed, or a circuit is substantially modified, you may be required to have an RCD fitted under the Building Regulations (Part P) or BS7671 wiring regulations. This is a legal requirement.
Do 32A sockets need RCD protection?
Depends on the rating of the sockets – up to & including 32A then yes you’d need 30mA RCD protection (or a written risk assessment showing that it’s not needed). The regulation doesn’t discriminate on how many phases are present.
Do lighting circuits need to be RCD protected?
Additional protection by use of a 30mA RCD is now required for all lighting circuits in domestic household premises – New regulation 411.3. 4, this applies to all cable types and installation methods and there are no exceptions mentioned.
Do outside sockets need RCD protection?
If you use any portable electrical appliances outdoors, they must be protected by a 30mA RCD. … And if you use an existing indoor socket to power appliances outdoors and it doesn’t have RCD protection, you’ll have to use a plug-in RCD.
When would you use an RCD?
An RCD is designed to protect against the risks of electrocution and fire caused by earth faults. For example, if you cut through the cable when mowing the lawn and accidentally touched the exposed live wires or a faulty appliance overheats causing electric current to flow to earth.
Do hand dryers need RCD protection?
In view of IEE wiring regulation, hand dryers connected to FSU do not need RCD protection.
Is it illegal to have a plug socket under the sink?
Take it you mean fit a socket in the cupboard below the sink? – yes this is permissible but the socket should be accessible and mounted so its unlikely to get water drips on it should the waste or other pipe below the sink leak.
What code is no RCD on sockets?
If no form of RCD protection is provided, then you should classify this as a Code 2. For additional information, you may wish to peruse the Electical Safety Council’s ‘Best Practice Guide 4’ for Electrical Installation Condition Reporting.
Do offices need RCD protection?
IMHO, RCD protection IS required for socket outlets under all commonplace circumstances in workplaces.
Do 3 phase motors need RCD protection?
Under the new 18th Edition, all final circuits rated 32A or less need RCD protection to at least 30mA earth leakage. There is no exclusion for 3 phase circuits, so this will cover all 16-amp, 32 amp, single and three phase sockets.