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Blue Sea Dual 5/16"-16 Stud PowerPost Connector (No Insulators)
Blue Sea Dual 5/16"-16 Stud PowerPost Connector (No Insulators)
Serviceable dual-stud termination point for high-current wiring
Highlights:Threaded Stud: 5/16"-18 threaded stud for high-amperage cable connections,Insulating Barrier: Central divider isolates terminals to prevent accidental shorting,Mounting Hole: Recessed mounting point compatible with #10 screws.
Technical schematic detailing dimensions: 69.85mm overall width, 44.45mm height, and 38.10mm center-to-center spacing for both studs and mounting holes.Key features: Base length: 69.85 mm, Total height: 44.45 mm, Base width: 47.63 mm, Mounting centres: 38.10 mm. 
Regular price
$20.00
Availability:
In Stock
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DESCRIPTION
Reliable high-current termination for marine and vehicle wiring
The Blue Sea Dual PowerPost connector provides a dedicated, heavy-duty termination point when you need to extend outboard engine harnesses, join conductors, or create a clean distribution point in a confined space. It’s a practical solution for installers and DIY boat owners who want a more serviceable alternative to inline joins—helping keep high-amp cabling organised, accessible, and easier to troubleshoot.
In marine and 4WD electrical systems, voltage drop, vibration, and corrosion exposure can quickly turn “good enough” connections into intermittent faults. A fixed PowerPost-style connector is designed to support secure ring-terminal connections and straightforward cable routing, which can improve serviceability during maintenance and reduce the chance of loose, heat-prone joins over time.
Purpose-built for extending harnesses and joining heavy conductors
When repowering an outboard, replacing a loom section, adding accessories, or relocating a battery, you may need to extend the length of existing conductors without compromising connection quality. This dual-stud configuration creates a simple, central point to land cables—helpful when you’re joining two heavy cables, splitting runs, or creating a transition point between harness sections.
Because the termination point is fixed and accessible, it can also speed up future work. Instead of cutting and re-joining cables again, you can isolate and reconfigure connections at the PowerPost, which is particularly valuable in tight engine bays, console areas, and battery compartments.
Why a dual PowerPost can improve install quality
High-amp circuits demand attention to contact area, clamping force, and connection consistency. A stud-based termination method is widely used across marine electrical and automotive 12V/24V systems because it suits ring lugs well and supports orderly cable stacking where appropriate. This connector is designed for connecting high amp conductors, making it suitable for many boat, caravan, and 4WD applications where current carrying capability and connection integrity matter.
The dual-stud layout can also help separate or group circuits logically (for example, feeds and returns, or different cable runs), making your wiring easier to label, inspect, and maintain—especially useful for technicians diagnosing faults on the water or at remote sites.
Key features
- Dedicated termination point for extending outboard harnesses and other conductors
- Dual-stud design supports tidy cable joins and organised routing
- Built for high-current connections using ring terminals and heavy cabling
- Service-friendly layout for easier inspection, isolation, and future upgrades
Common applications in Australia
This style of connector is frequently used in:
- Outboard and inboard marine wiring where harness extensions are required
- Battery compartment upgrades and cable reroutes in boats, 4WDs, and caravans
- Accessory power distribution where a robust join point is preferred over splices
- Refit and repair work where you want a stable, accessible connection point
Installation notes for best results
For dependable performance, use correctly sized ring lugs for your cable and ensure mating surfaces are clean before assembly. Route cables to minimise strain on the terminals, and allow enough slack for vibration and service access. In marine environments, good practice includes using quality tinned marine cable where appropriate and protecting terminations with suitable covers or enclosures for your installation. Always isolate power before working on electrical systems.
A practical connector when you want clean, inspectable joins
If you’re building or maintaining a professional-grade electrical system, the Blue Sea Dual PowerPost helps you create a neat, logical termination point that supports high-current cabling and simplifies ongoing maintenance. It’s a solid choice for anyone looking to improve cable management and serviceability in demanding marine and mobile power environments.
SPECIFICATIONS
Specifications
| Maximum Voltage | 48V DC |
|---|---|
| Mounting |
#10 Screw (M5) (approx. #10 major diameter 4.83 mm; reference only) |
| Stud Size |
5/16"-18 (approx. 7.94 mm diameter, 18 TPI ≈ 1.41 mm pitch; reference only) |
| Stud Torque |
120 in-lb (13.56 N·m) (approx. 10.0 ft-lb; reference only) |
| Weight (min / max) |
0.32–0.32 lb (0.15–0.15 kg) (approx. 145 g; reference only) |
| SKU: | BS-2016100B |
| Model #: | BS-2016100B |
| MPN: | BS-2016100B |
WARRANTY
Blue Sea Warranty Policy
Blue Sea Systems products sold by us are supplied with a warranty against defects for the warranty period shown below, subject to the product type, application and the terms of this warranty policy.
The express warranty provided by us is limited to a maximum of 5 years from the original date of purchase, unless otherwise required under Australian Consumer Law.
Blue Sea Systems may offer longer manufacturer support on some products at their discretion
Warranty Lengths by Product Range
| Blue Sea Product Range | Warranty Length | Application / Notes |
|---|---|---|
| Most Blue Sea Systems Products | 5 years | Applies to most Blue Sea Systems products found to be defective in materials or manufacture. |
| P12 Battery Chargers | 5 years | Warranty period starts from the original date of purchase. |
| P12 Remote Displays | 5 years | Warranty period starts from the original date of purchase. |
| Digital Meters | 3 years | Warranty period starts from the original date of purchase. |
| Vessel System Monitors | 3 years | Warranty period starts from the original date of purchase. |
Warranty Assessment and Remedy
If a Blue Sea Systems product is found to be defective in materials or manufacture within the applicable warranty period, we will, at our discretion, arrange a repair, replacement, store credit or refund, depending on the nature of the fault and the requirements of Australian Consumer Law.
Products may need to be returned for assessment before a warranty claim can be approved. Where required, the product must be returned with dated proof of purchase and a clear description of the fault.
Labour costs for removing, replacing, reinstalling or diagnosing a product are not covered by this express warranty unless otherwise required under Australian Consumer Law.
Making a Warranty Claim
To make a warranty claim, please contact us with your dated proof of purchase, product details and a description of the fault.
The product may need to be returned for inspection before the claim can be assessed. If the product is confirmed to be faulty and covered by this warranty, we will advise the available remedy.
What This Warranty Does Not Cover
This warranty does not cover faults or damage caused by incorrect installation, incorrect application, misuse, abuse, neglect, unauthorised modification, accidental damage, normal wear and tear, environmental damage, or failure to use the product in accordance with the manufacturer's instructions.
- Incorrect installation or wiring
- Incorrect product selection or application
- Misuse, abuse or neglect
- Physical or accidental damage
- Water ingress or environmental damage outside the product's intended use
- Unauthorised modification or repair
- Normal wear and tear
- Labour costs for removal, replacement, reinstallation or diagnosis
- Freight, travel or call-out costs unless otherwise required by law
- Products not returned for assessment when reasonably required
Manufacturer Support
Blue Sea Systems may provide additional manufacturer support on some products beyond the warranty period listed above. Where available, we may assist customers in contacting the manufacturer, but any manufacturer support beyond the express warranty period is subject to the manufacturer's own terms and continued availability.
Australian Consumer Law
This warranty is in addition to other rights and remedies available at law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
