The Aspects Pools Blog Advice and Product Reviews from Swimming Pool Experts

March 16, 2015

A Guide to Swimming Pool Lights

Filed under: Uncategorized — admin @ 3:39 PM

There are many types of lights for swimming pools available but in this article we focus on the type of light that is installed in the vast majority of swimming pools in the UK – the Certikin Swimming Pool Light.

First let us understand the names of the parts. A typical pool light installation will include a TRANSFORMER, a DECK BOX, a NICHE, the GUTS and a LIGHT.

The TRANSFORMER takes the 240V mains electricity and transforms it down to a safe 12V so no-one will get electrocuted in the pool. It usually resides in the pool room and from it goes a cable to the Deck Box.

The DECK BOX is resides on the deck just above the light. This is where the cable from the transformer joins the cable from the guts.

The GUTS is the rather basic terminology given to the inner part of the light. The guts consists of the light and a cable. The light is held in a frame and the whole assembly of light, frame and cable are screwed in to the Niche.

The NICHE is fixed to the wall of the pool when the pool is first constructed. Replacing a Niche is a major job but replacing either the light or the guts is quite easy. The design of the niche has stayed the same for many years so new lighting technology has been made to fit in to existing Niches.

The LIGHT is part of the guts but is sold separately for replacement purposes. The light is often referred to as the BULB but that is not quite the right word for it. Another term associated with pool lights is PAR56

PAR56 is the name of the shape of the light that goes in to all Certikin Niches. So a Light must be the PAR56 shape but that light could be an LED light or a Sealed Beam light or a Halogen Bulb Light. There are many makes of non-Certikin light made to the PAR56 shape that can be used in Certikin assemblies.

A typical installation of a swimming pool light

A typical installation of a swimming pool light

If your light need replacing then the first thing you need to do is identify which one it is. Then decide what you want to replace it with. When identifying your light the first place to look is at your transformer. If your transformer is 100 Watts then your light is a probably a HALOGEN type. You can replace this with a new one; part number SPC556HN Click here to order one. Note this actually is a BULB hence why refer to the others as LIGHTS. These are a old type of light, you might want to replace it with a modern one – more on this later. If you have a 300 Watt transformer then you probably have a PU9 light which is good because you have a wider choice of replacement lights. The standard white, sealed beam light is a PU8 and can be found here.

If you have a 300 Watt PU9 set up then you have the option to change the light for an LED version which, though expensive, will last for about 30 years or more. As well as being a brighter white light you can also get colour changing LED lights.

Slyvania Colour change LED pool light

Slyvania Colour change LED pool light

If you have the older 100W Halogen light but want a coloured LED light then you can but you will need to change your transformer to a 300W version and then replace the guts the new PU9 version then you can fit any of the new PAR56 lights.

If you have any questions on swimming pool lights please call us 0800 270 7440 for further guidance.

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