Electrics

Reduce Your Energy Costs by 90%

You Can Reduce Your Energy Costs by up to 90% After signing up for “My Green Home” four years ago the Makalima-Ngewana family family saw their house in the middle-class suburb of Pinelands (a suburb of Cape Town) retrofitted with energy saving LED lights, low-flow showerheads and roof-top solar panels, …

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Electric Fences Rules & Regulations

Electric fences are governed by the Electrical Machinery Regulations which are part of the Occupational Health and Safety Act. In addition, local authorities and municipalities have their own by-laws that must be complied with. You can download the Electrical Machinery Regs from the link above. Below is an explanation extracted from …

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Energy Usage & Sustainability (SANS 10400X & XA)

Environmental Sustainability & Energy Usage in Buildings-Part X & XA In 2011, in an endeavour to make our buildings more sustainable, and to decrease energy usage in South Africa, a new part was added to SANS 10400, The application of the National Building Regulations. Part X deals with environmental sustainability, …

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Fenestration Calculations

Fenestration and Glazing Guidelines, Procedures and Calculations. The guidelines featured in the pdf below give an idea to anyone wanting to calculate the Fenestration Compliance Procedures in terms of Sans 10400-XA:2011 and SANS 204:2011, what is required and what is involved. There is a step-by-step guide to area (nett floor) …

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Electrics & Lighting

ELECTRICS & LIGHTING – WHAT’S INVOLVED Electricity and Electronics are Related Fields. While both these related fields are specialised and take considerable training to be tackled in their entirety, there are projects involving both electrics and electronics that anyone with a reasonable aptitude and understanding can tackle. These range from …

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Detect Pipes and Cables

Water Pipes, Steel Reinforcing and Electric Cable Detector Even though instruments that detect pipes and cables have been around for a number of years, they are, I believe, under used. Pipe and cable detectors are indispensable tools for any contractors in the building industry from plumbers to electricians, and installers …

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Cool Roofs

Cool Roofs Reduce Energy Bills by up to 70 percent On site research proves that it is possible to save as much as 70 percent on energy with a “cool roof”. This is because cool roofs reduce roof temperatures by reflecting heat and sunlight away from the building. This is …

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Lighting and Ventilation

Good Lighting and Ventilation is Vital for Healthy Living-Part O In terms of the National Building Regulations Part O, all habitable rooms, including bathrooms, showers and toilets (and interestingly enough garages!) must have some form of lighting and ventilation that will enable people to use these rooms safely. The most …

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