In modern domestic properties in the uk the main electric lighting circuits are separate from the power ring main circuit. Always isolate any electrical circuit before working on the circuit.
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Lighting wiring circuit. Here we outline the two most common ways to meet that requirement the loop in wiring and the radial wiring also referred to as junction. Multi point loop in radial lighting circuit the light wiring diagram shows how the live feed from the consumer unit fuse board shown in blue in fig 1 feeds into the first ceiling rose ceiling rose a. Installing my own electric vehicle charger duration. Control of a lighting circuit from three or more points. A basic explanation of lighting wiring. Lighting electrical codes light switch wiring electric panel house wiring circuits and circuit breakers this article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes.
Faults in parallel lighting circuits. The live is interrupted by the switch wiring and the circuit is carried on to the next junction box. We have and extensive collection of common lighting arrangements with detailed lighting circuit diagrams light wiring diagrams and a breakdown of all the components used in lighting circuits. Switching lighting circuit allerretour with two extreme switches and one or more intermediate switches. Each house should ideally have at least two lighting circuits. If you need to know how to fix or modify a lighting circuit youre in the right place.
Every lighting system needs a cable from the mains to supply power to all the lighting points and a switch that can interrupt the supply to each individual point. Lighting circuits part 2 wiring multiple switches 2 way and intermediates duration. Fig 1 shows what is referred to as a radial circuit sometimes called a loop in or multi point radial lighting circuit. John ward 603950 views. Circuit breaker electrical wiring protection using circuit breakers. Each protected by a 5 amp fuse or 6 amp trip in the consumer unit.
The second system in popular use is the junction box circuit or system. Power is taken from the consumer unit to the first junction box. The reason why the wiring of a lighting circuit is more complex than a power circuit is that each outlet or light fitting needs to be controlled by a separate switch. A cable is run from the junction box to the light usually via a ceiling rose. Also if we control each lamp by single way spstsingle pole single through switch in parallel lighting circuit we will be able to switch on off each bulb from from separate switch or if we switch off a bulb the rest lighting points wont affected as is it happens only in series lighting connection where all the connected load would be disconnected. Type one lighting circuit.
One way of providing for this is to install a four terminal junction box in which the cable from a light and the cable from its switch can be connected to the circuit cable. This type of circuit is used in large rooms long corridors staircases and generally in large rooms.
Gallery of Lighting Wiring Circuit
