Do you need supplementary bonding in a bathroom?
Yes as written supplementary bonding in a bathroom can only be omitted in a building (homes. hospitals, hotels etc) where there is main protective bonding. No main protective bonding then supplementary bonding cannot be omitted.
Should a bathroom sink be earthed?
Under latest writing regulations, there is no specific need to have extraneous metalwork earth bonded in a bathroom, but water and gas incoming pipes must be bonded to the consumer unit within 60cm after the meter (there are some exceptions eg if all plastic supply etc).
Where would you use supplementary bonding?
Supplementary Bonding is the use of a slighter thinner (4mm) green and yellow copper cable to connect together all metal pipes (and possible circuits) in a particular area. This area is typically the bathroom, or any other room containing a bath or shower.
When can Supplementary bonding be omitted?
3.3. 3 All extraneous-conductive-parts, must be connected to the main bonding in accordance with Regulation 411.3. 1.2. Bill Allan: it will be noted from the preceding sentences that supplementary bonding can only be omitted in a building which has main bonding.
Is earth bonding still required?
Most households will need 16mm bonding into the fuse board and 10mm to the water and gas. The earth cable is green and yellow. I always try to get an earth bond to gas and water unless they are entirely in plastic. We recommend the fuse board has one or more RCDs to cover the whole of the electrical installation.
Do sinks need to be earthed?
The sink is not part of the electrical installation so does not need earthing. The sink is inside the building and cannot introduce a potential from outside the building so does not need bonding.
What is supplementary earth bonding?
Supplementary bonding is the practice of connecting two conductive simultaneously accessible parts together to reduce the potential difference between the parts.
What is the purpose of supplementary bonding?
What items require protective bonding?
Examples of metallic parts that are neither exposed or extraneous-conductive parts but are commonly bonded
- Metallic sinks.
- Metallic kitchen furniture.
- Raised metal access floors.
- Suspended grid ceilings.
- Fuel Tanks.
Can you use bonding in a bathroom?
Bonding Coat does not stand up to damp conditions. Therefore if in a damp environment sand/cement is safest. However it depends on age of the house (levels of insulation and ventilation that are present).