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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.
Latest Knowledge
Clear information designed to help South African homeowners, businesses and trade customers make better product decisions.
adding solar panels to an existing inverter-and-battery system is often one of the best expansion steps, but the new panels must fit the inverter's PV voltage,...
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monitor at least five things: battery state of charge, household load, solar generation, grid import/export and alarms. Good monitoring tells you whether the system is saving...
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there is no universal “correct solar cable size.” Cable thickness depends on the circuit. PV strings can run at hundreds of volts and relatively modest current,...
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a complete solar system needs far more than panels, an inverter and a battery. A professional installation can include mounting rails and clamps, PV cable and...
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install the inverter and lithium battery in a location that is dry, secure, accessible for service, protected from flooding and impact, and within the temperature and...
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most expensive solar problems begin before installation: buying equipment before measuring loads, pairing incompatible batteries and inverters, undersizing cables, ignoring future expansion, placing equipment in unsuitable...
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series and parallel connections change voltage and current in different ways. For solar panels, series connections raise voltage while current stays broadly at string level; parallel...
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you do not need solar panels to start protecting your home from outages. A practical beginner route is to begin with a correctly sized inverter and...
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A staged solar and backup-power buying guide that starts with essential loads and grows toward inverter, lithium battery and solar generation.
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A 15-point diagnostic checklist for cooling, lighting, electrical safety, outdoor living and solar readiness before hotter November weather.
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An evidence-based guide to insect attraction, LED spectrum, glare and separate insect-control products for patios and gardens.
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A bedroom-focused summer guide combining fan selection, airflow, bedside lighting, colour temperature and backup light.
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