Socket Ring Main Amps

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.

Socket ring main amps.

The ring is fed from a fuse or circuit breaker in the consumer unit. Hi there i have just bought a hot tub that plugs in to a 16 amp 3 pin socket. 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. It runs of a 32 amp breaker on the ring main.

100a total these are connected to an 80a rcd. Each cable is what is classed as 2 5 sqmm and. 90a total these are connected to an 80a rcd. 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.

6a trip smoke alarms up down stairs 16a trip central heating. 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. The ring starts at the consumer unit also known as fuse box distribution board or breaker box visits each socket in turn and then returns to the consumer unit. 6a trip up stairs lights.

32a trip ring main wall sockets. Design and protection for ring main circuits. Square d by schneider electric rc816f200c homeline 200 amp main breaker 8 space 16 circuit outdoor overhead underground csed 4 7 out of 5 stars 100 murray rh173crf murray 200 amp 5 jaw ringless cover lever bypass overhead and underground feed meter socket. The supply does not have a socket just a blank face plate.

Over the whole ring the total number of spurs must not exceed the number of socket outlets directly on the main ring. 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. The main purpose of a spur is adding an extra socket on to an existing ring main circuit.

32a trip cooker. 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. Right most trip switches. My supervisors response to this was that they wont use that much current.

40a trip electric shower. 32a trip ring main wall sockets. 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.