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WHITEHOUSE KNOWLEDGE HUB
Expert lighting, electrical and solar advice, practical buying guides and product insights to help South African homes, businesses and projects make confident, informed decisions.
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Clear information designed to help South African homeowners, businesses and trade customers make better product decisions.
Choose the control point that matches the problem. A smart bulb controls the lamp itself; a smart wall switch controls the circuit; a timer follows a...
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The most reliable kitchen lighting plan uses layers rather than one bright ceiling circuit. Start with ambient light for the room, add task light directly over...
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A good bathroom lighting plan combines safe placement, suitable ingress protection, useful mirror lighting, comfortable general lighting and a colour quality that makes skin tones and...
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A surge protective device (SPD) is designed to limit short-duration transient overvoltages and divert surge current, including transients associated with lightning effects and switching events. It...
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A ceiling fan primarily improves comfort by moving air across people; it does not operate like an air conditioner and does not normally lower the room’s...
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As a practical South African design starting point, place the bottom of a pendant roughly 75–90 cm above a dining tabletop or kitchen-island counter. Then adjust...
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The right LED-strip voltage depends on the product and run design, but the electrical principle is simple: for the same power, a higher DC system voltage...
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CRI (usually reported as Ra) is a legacy measure of colour fidelity: how similarly a set of test colours appears under a light source compared with...
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South Africa uses several plug and socket configurations under the SANS 164 series. The familiar large round-pin three-pin format is SANS 164-1, while the smaller modern...
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A cable size such as 1.5 mm², 2.5 mm² or 6 mm² describes the nominal cross-sectional area of the conductor — not a universal current rating....
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A South African electrical Certificate of Compliance (CoC) is a formal certificate, accompanied by a test report, confirming an electrical installation or relevant work has been...
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A distribution board (DB) is the point where an electrical supply is divided into separate circuits and protected by switching and protective devices. In a typical...
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