{"id":13489,"date":"2026-09-05T08:47:48","date_gmt":"2026-09-05T08:47:48","guid":{"rendered":"https:\/\/williamartists.com\/?page_id=13489"},"modified":"2026-09-14T04:04:32","modified_gmt":"2026-09-14T04:04:32","slug":"underwater-lighting","status":"publish","type":"page","link":"https:\/\/williamartists.com\/tc\/solutions\/underwater-lighting\/","title":{"rendered":"\u6c34\u4e0b\u7167\u660e"},"content":{"rendered":"\t\t
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Lighting Solutions \/ Guide 03 \u00b7 Underwater Lighting<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Underwater Lighting<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Specify the water first \u2014 then the optic. Architectural underwater lighting for pools, fountains, water features and reflecting ponds.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Specialised Expertise \u00b7 Guide 03<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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7\u20138 min read<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Before You Begin<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Light that belongs to the water<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Underwater lighting is among the most demanding disciplines in architectural lighting. The luminaire must survive pressure, chlorination or salt, and total submersion \u2014 while the light itself articulates the volume of water, the materials and finishes, and the architecture, without glare at the waterline.<\/p>

Get the material or the electrical class wrong, and the installation fails in service. Get the optics wrong, and a pool becomes a wall of lamps. This guide maps five architectural approaches from the brands we work with \u2014 BEGA, MP Lighting, Aldabra, and LEDYi \u2014 backed by William Artists\u2019 50-year legacy of engineering delivery across Greater China.<\/p>

Why is underwater lighting essential?<\/h3>

Pools, fountains, water features and reflecting ponds read as architecture after dark only when the source is engineered for chemistry, glare, and service. A decorative \u201cpool light\u201d from a general catalogue is not a specification.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\"\"\/\t\t\t\t

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Key Takeaway for Architects and Specifiers<\/p>

BEGA for infrastructure-grade materials, thermal management, and long-term spare parts. MP Lighting for compact, micro aperture underwater fixtures with high CRI and a wide choice of beams. Aldabra for continuous linear light runs, wall washing and water wall grazing. LEDYi for IP68 pool strip and neon flex to frame edges, steps, and outline runs. Specify the alloy to the water \u2014 not the look to the brochure. In swim zones: 24V DC, Safety Class III, IP68, remote drivers.<\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Core Principles<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Five foundations for specifying light in water<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00a0 \u00a0 \u00a0 Principle<\/th>\u00a0 \u00a0 \u00a0Architectural application<\/th><\/tr><\/thead>
Glare and distribution<\/td>Symmetrical distribution for even basin wash. Asymmetric distribution to throw light across the floor while keeping the source out of sightlines at the waterline. Prefer flush profiles in swim zones; use a half-shield or hood where pedestrians look toward the fixture.<\/td><\/tr>
Material by water type<\/td>Chlorinated \/ fresh water: marine-grade stainless cover rings. Salt and brine: a higher-grade stainless made for saltwater. Keep water at a neutral pH, free of metal-attacking compounds.<\/td><\/tr>
Electrical safety<\/td>Swim and walk-in water: 24V DC, Class III, IP68, remote safety supplies in a dry plant room.<\/td><\/tr>
Optics and colour<\/td>Higher CRI to render tile, stone, and water colour. Warm-to-neutral white 2200K\u20133500K<\/strong>. Beams from narrow spot to wide flood, scaled to basin depth and width. RGBW \/ DALI colour for wellness and hospitality \u2014 specified as a control layer, not a separate fixture family.<\/td><\/tr>
Thermal and installation<\/td>Water is the heat sink \u2014 energise only when fully submerged. Typical recessed set-in 400\u2013700 mm<\/strong> below the surface. Use the manufacturer housing for the pool construction (concrete, foil, stainless, synthetic). Weighted plates where drilling is prohibited.<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Core Categories<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Five architectural approaches for underwater lighting<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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01<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Recessed pool integration \u2014 BEGA<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Compact recessed underwater - MP Lighting<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Submerged features and volume floodlights - BEGA<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Continuous underwater linear grazing - Aldabra<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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IP68 Edge & Contour Framing \u2014 LEDYi<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Category 01<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Recessed pool integration \u2014 BEGA<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Circular recessed luminaires<\/strong> for private and public pools \u2014 integrated into concrete shell via purpose-made housings. The architecture stays clean; the light describes the water.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Indoor pool with recessed underwater luminaires along the wall.<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Recessed underwater beam across a mosaic pool floor.<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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BEGA \u2014 Recessed underwater luminaires<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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BEGA<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Recessed underwater luminaires<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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BEGA circular recessed stainless underwater luminaire \u2014 white LED or RGBW.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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BEGA<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Recessed underwater luminaires<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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BEGA recessed underwater luminaire \u2014 specify symmetrical or asymmetrical light distribution.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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