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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.
Do not replace a circuit breaker by matching amperage alone. Rail type, breaker width, escutcheon height, number of poles, voltage, interrupting capacity, trip characteristics and manufacturer...
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A 1-way switch controls a light from one location. A 2-way switching arrangement allows the same light to be controlled from two locations. An intermediate switch...
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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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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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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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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 tripping DB is usually telling you that a protective device has detected a condition it is designed to interrupt. If an MCB trips, overcurrent is...
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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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A practical South African winter shopping list covering heaters, bathroom heating, emergency lighting, geyser timers, security lights, protection and backup power.
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Use heaters more safely this winter with practical plug, socket, DB protection, surge, emergency-lighting and fire-prevention checks for South African homes.
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