Overview

The Lumishore 010-04526-00 is a dual-color (blue/white) interchangeable thru-hull underwater LED light that runs on 10.5 to 31 V DC and puts out 8,150 fixture lumens (white) across a 110° beam.

It is IP68-rated for continuous immersion and uses a marine bronze body with a borosilicate glass lens. Plan for a 57 mm (2.25 in) hull cut-out, an 88 mm (3.47 in) outside face, and 136 mm (5.35 in) of shaft length on the inside.

A 3 m (9.8 ft) pre-terminated light cable is included, so you can route the lead cleanly without splicing at the fixture.

Key features

• Dual-color output: switch between blue and white at the fixture’s full rated power
• 8,150 fixture lumens (white) with a 110° beam for a wide wash across the transom or hull side
• 10.5 to 31 V DC input range for 12 V and 24 V electrical systems
• Maximum current draw: 6.4 A at 12 V DC, 3.2 A at 24 V DC for circuit planning
• IP68 water-ingress rating for below-the-waterline installs
• Marine bronze body with a borosilicate glass lens
• Low-profile 88 mm (3.47 in) face with an 8 mm (0.32 in) housing profile
• 3 m (9.8 ft) factory-terminated cable with plug-and-play connection

Installation and setup

This is a thru-hull install that requires drilling and sealing a 57 mm (2.25 in) hole, then tightening the cartridge so the outside face sits flush on a flat section of hull. It is intended for transom or side-hull mounting rather than curved sections.

Typical placement is 150 to 250 mm (6 to 10 in) below the minimum loaded waterline, with multiple lights spaced about 0.8 to 2 m (2.5 to 6.5 ft) apart for an even spread. Use a marine adhesive sealant such as 3M 4200 or equivalent, and keep retaining bolt torque under 3 Nm.

Do not attempt installation or removal with the boat in the water.

Electrical and control

The internal driver accepts 10.5 to 31 V DC for 12 V and 24 V systems. Fuse sizing is typically 10 A on 12 V installations or 5 A on 24 V installations.

The light lead is factory-terminated and should not be cut. Route the cable to a dry, protected connection point and keep all power connections waterproof with a junction box or rated connectors.

If you extend the light-to-control cable, keep total length within 6 m (20 ft) on 12 V systems or 9 m (30 ft) on 24 V systems to help avoid voltage drop and control issues.

With compatible control hardware, the light can be toggled between white and blue and can also run fade and strobe modes.

Materials and corrosion protection

The body is marine bronze with a borosilicate glass lens, and the unit includes a bonding connection point for galvanic protection on fiberglass and wooden hulls.

For metal or carbon fiber hulls, an isolation sleeve is required; in that case, the light should not be bonded.

Avoid mounting near hot engine components or exhaust outlets, and keep exposure temperatures below 65°C (150°F).

Maintenance and care

Inspect the locking nut and retaining bolts regularly and re-check cable attachments. A monthly inspection schedule works well on boats that stay in the water.

Clean the lens and face as growth builds up using a soft cloth or a soft bristled brush. Avoid abrasive pads, harsh cleaners, and pressure washing, which can scratch the lens and compromise the seal.

Use cases on board

Blue output is often used for low-glare night lighting at anchor or at the dock, while white output is helpful when you want to light up the wake or a swim platform for boarding and deck checks.

This style of light is a good match for cruisers and fishing boats that want a wide 110° spread from a flush thru-hull fitting and have access inside the hull for a proper sealed install.