As you can see it eliminates the need to wire a socket all the way back to the a consumer unit but the nearest ring main socket is used instead.
Socket ring main amps.
40a trip electric shower.
The main purpose of a spur is adding an extra socket on to an existing ring main circuit.
The supply does not have a socket just a blank face plate.
6a trip smoke alarms up down stairs 16a trip central heating.
Use a multi meter to test for a radial or ring main final ring circuit available from our online store here even though the sockets are connected to two cables or 2 5mm and supplied by a 32 amp fuse or mcb it cannot be guaranteed that it is a ring main or final circuit.
My main concern the terminals of the 16 amp socket outlets are only designed to carry 16 amps.
Over the whole ring the total number of spurs must not exceed the number of socket outlets directly on the main ring.
Its simplicity makes it a great arrangement for that use.
Uk plug sockets are generally fed by what we call a ring main this is a cable that runs from socket to socket around the storey of a building from the meter board and back again from the last socket.
32a trip ring main wall sockets.
32a trip ring main wall sockets.
90a total these are connected to an 80a rcd.
My supervisors response to this was that they wont use that much current.
Design and protection for ring main circuits.
Ring circuits are commonly used in british wiring with socket outlets taking fused plugs to bs 1363 because the breaker rating is much higher than that of any.
It runs of a 32 amp breaker on the ring main.
Ring main and spurs ring mains as they are called are a series of cables linked together starting and terminating at the same point in a distribution board.
On a 32a ring there is the potential for well over double that current to flow through them for some period of time they could well overheat and cause a fire.
Each cable is what is classed as 2 5 sqmm and.
I have an outdoor supply that was fitted on my house professionally fitted on a new build property.
Right most trip switches.
The ring is fed from a fuse or circuit breaker in the consumer unit.
100a total these are connected to an 80a rcd.
6a trip up stairs lights.
A spur extension can be connected to the ring circuit provided that it supplies only 13 amp socket outlet although that can be a double socket outlet or one fixed appliance.
The cable size is important it has to be either 2 5sq mm or 4 0sq mm twin core and earth these are rated in free air at 24amps or 32amps respectively.
32a trip cooker.