NewMar

Newmar PX-1 Junction Box Waterproof

SKU: 1001201 · UPC: PX-1 · MPN: PX-1
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02 · Overview

Newmar PX-1 Junction Box Waterproof — Product description

Why Choose the Newmar PX-1 for Your Marine Wiring Needs?

When you're dealing with the relentless exposure of saltwater spray, deck vibrations, and unpredictable weather on your boat, standard junction boxes just won't cut it. The Newmar PX-1 waterproof junction box steps up as a reliable workhorse, designed specifically for making secure wiring connections above or below decks. Crafted from high-impact polypropylene that's both rugged and non-corrosive, it shrugs off the marine environment like a seasoned sailor handles a squall.

What sets the PX-1 apart is its thoughtful engineering for real-world use. The snap-on cover creates a watertight seal that keeps moisture out, earning it an IEC IP54 rating—meaning it stands strong against water jets from any direction without flinching. Those universal cut-to-fit cable entries? They're a game-changer, accommodating cables from 0.14 to 0.81 inches (3.5-20.5 mm) by simply trimming to size, so you get a snug, drip-proof fit every time.

Standout Features That Deliver Performance

  • Pre-Installed Connector Strips: One strip with 6 positions and captive screw compression terminals ensures quick, secure connections that meet ABYC standards for safety and reliability.
  • Versatile Entries: 5 cable entry ports total, with 3 pre-installed and 2 spares ready for expansion—plus multiple knockouts for conduit if your setup demands it.
  • Compact Yet Capable: Measuring just 2.95 x 2.95 x 1.66 inches (7.5 x 7.5 x 4.2 cm), it fits tight spaces without sacrificing functionality. Handles up to 16-gauge wire for most marine DC applications.
  • Built to Last: Non-metallic construction resists corrosion from salt air, UV exposure, and impacts, outlasting cheaper alternatives in harsh conditions.

Pro tip: For optimal performance, always route cables with a slight downward angle away from the box to let any condensation drain naturally. This simple step enhances longevity in humid bilge areas.

Effortless Installation for DIY Boaters and Pros

Setting up the PX-1 is straightforward—no special tools required beyond a utility knife for cable entries and a screwdriver for terminals. Mount it securely using the built-in flanges, then:

  1. Cut the graduated entry seals to match your cable diameters for a perfect seal.
  2. Strip and insert wires into the captive terminals—screws stay put, preventing lost hardware mid-job.
  3. Snap the cover on for instant IP54 protection.

Common pitfall to avoid: Over-tightening terminals on finer wires, which can damage strands. Aim for firm but gentle—test continuity before sealing up. In spray-prone spots like radar arches or swim platforms, pair it with chafe guards on cables for extra defense.

Perfect Applications Across Marine and Beyond

While the PX-1 shines in boating—think nav lights, bilge pumps, or electronics feeds—its toughness extends to RVs, jet skis, and outdoor equipment. Users rave about its reliability in setups exposed to washdowns or rain, where lesser boxes fail and lead to shorts or corrosion.

Compared to the larger PX-2 or PX-3 models in the series (which offer more positions and entries for complex harnesses), the PX-1 is your go-to for single-circuit jobs or space-constrained installs. It's all about matching capacity to need without excess bulk.

Keep It Performing Season After Season

Minimal upkeep is key to its appeal. Periodically inspect seals for wear, especially after heavy spray exposure, and reapply silicone grease if needed. In storage, store covers snapped on to prevent debris buildup. If you're rewiring, label circuits beforehand—those 6 positions fill up fast on multi-branch runs.

Frequently Asked Questions

What makes the Newmar PX-1 suitable for marine environments?

Its IP54 waterproof rating, non-corrosive polypropylene construction, and watertight snap-on cover protect against spray, salt, and impacts above or below decks.

Can the PX-1 handle different cable sizes?

Yes, universal cut-to-fit entries accommodate cables from 0.14 to 0.81 inches (3.5-20.5 mm), with 5 ports including spares.

Does it meet boating safety standards?

Absolutely—pre-installed connector strips with captive screws comply with ABYC requirements for secure, vibration-resistant connections.

How many wires can the PX-1 connect?

It features one strip with 6 positions for up to 16-gauge wire, ideal for most DC circuits like lights or pumps.

Is the PX-1 easy to install without conduit?

Yes, direct cable entries make it plug-and-play, but knockouts allow conduit addition for protected runs.

What's the difference between PX-1 and larger models?

PX-1 is compact for simpler jobs (6 positions), while PX-2/PX-3 offer more strips/entries for bigger setups.

Can I use it for non-marine applications?

Definitely—great for RVs, outdoor lighting, or any wet-area wiring needing durable, waterproof protection.

NewMar PX1 Attributes


Waterproof Junction Boxes

  • Ideal for making wiring connections above or below decks, even in areas subject to occasional spray
  • Similar to BX Series junction boxes, but made from rugged, non-corrosive, high impact polypropylene
  • Snap-on cover provides watertight seal
  • "Universal" cut-to-fit (see diagram) graduated diameter cable entries accommodate wide cable range
  • Multiple position connector strips with "captive" screw compression wire terminals installed - meets ABYC standards
  • Multiple knockouts provided for conduit access (in addition to cable entries)
  • IEC Waterproof Rating: IP54 - "Water projected in jets against the enclosure from any direction shall have no harmful effects."

Specifications

Model PX-1 PX-2 PX-3
Number of Connector Strips 1 2 2
Positions per Strip 6 6 9
Max Wire Gauge 16 16 16
Number of Cable Entry Ports 5 7 7
Number of Cable Entries Installed 3 7 7
Spare Cable Entries Provided 2 0 0
Cable Diameter Range (inches) .14-.81 .14-.81 .14-1.0
Cable Diameter Range (mm) 3.5-20.5 3.5-20.5 3.5-25.5
Box Size Inches 2.95 x 2.95 x 1.66 3.35" x 3.35 x 1.66 4.45 x 4.45 x 2.29
Box Size Centimeters 7.5 x 7.5 x 4.2 8.5 x 8.5 x 4.2 11.3 x 11.3 x 5.8


The waterproof junction box is very suitable for wiring above or below the deck, even in the occasional spray area, similar to the BX series junction box, but suitable for...
SKU: NVN-1001201
MPN: PX-1
UPC:
03 · The numbers

Technical specifications

BrandNewMar
ModelNewmar PX-1 Junction Box Waterproof
SKU / MFR#1001201

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04 · Before you buy

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05 · Customer voices

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