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Electrics

05 October 2017
Why does my product not have a plug?

Why does my product not have a plug?

By UK Law, based on the building regulations anything that is to be permanently installed outside and in a pond should be hard wired into the electrical circuit.  This is why no pumps, or filters are supplied with plugs.  There is a small part of the regulations in Part P which means the electircal circuit can be installed as a DIY job if it its not permanently wired into the mains, this can be done by using a plug into an RCD plugged into an indoor socket.


What are Watts?

Watts are a unit of measurement of power, and the conversion of that power to energy.  This means it can be used to measure anything where there is an input of energy and a resultant output i.e. A man walking up a hill, the energy he uses could be measured in Watts.

What are the running costs of my unit?

When calculating how the stated Wattage for a unit will transfer into £ cost there are a couple of things to note.  Firstly energy prices are given in Kilowatt Hours Kwh.  1kw equal 1000 watts.  Therefore a 60w item is the equivalent of 0.06 kw. 

 The average price at the moment is roughly 16p per Kwh.  To work out the rough cost of an item (obviously it will vary depending on the exact energy tariff) simply follow the calculation below:

 Unit Wattage / 1000 = Unit wattage in Kw

 Unit Wattage in Kw x (average cost per Kwh) = Cost per Hour (in Pence)

 Cost per Hour x 8760 (number of hours in a year) = Cost for full year in Pence (if run 24/7)

 e.g.   60w / 1000 = 0.06 kw

  0.06 x 16 = 0.96

  0.96 x 8760 = 8410p

  8410 / 100 = £84.10

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