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Packed and shipped within Canada!

Original & OEM Quality Parts

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Provides accurate testing and monitoring of all AC power source types. Plugs directly into electrical receptical. Fully tests incoming power for: Open Ground, Reverse Polarity, and High/Low Voltage. A... More Details

Plugs into 2 - 30A outlet on separate circuits to provide a 240V/50A service outlet, enabling RVs with 50A to have full use of air conditioners and appliances when only 30A service is available. Indic... More Details

10/3 ST wire. 50A/120V/240V to 30A/120V.... More Details

10/3 ST wire. 30A/125V to 50A/125V/250V.... More Details

14/3 STW 15A wire. With handle and indicator.... More Details

Rated 120/240V, 50A Identifies faulty park power plus offers 4200 Joules of surge protectionAnalyzes circuits to verify pedestal powerIndicators illuminate to show power statusTests for and indicates:... More Details

Stripped end makes hardwire to any connection easy. Male plug end and female plug end are molded. Cord jacket made of durable PVC. Easy-T-Pull handles. Replaces RV extension cord. 125V 10/3 cord.... More Details

Perfect for tent trailers and travel trailers! Automatically shuts off the power when ground faults are present. Requires manual reset after a ground fault. Provides shock protection. Weather resistan... More Details

Male plug end and female plug end are molded. Cord jacket made of durable PVC. Easy-T-Pull handles. Replaces RV extension cord. 125V 10/3 cord.... More Details

Male plug end and female plug end are molded. Cord jacket made of durable PVC. Easy-T-Pull handles. Replaces RV extension cord. 125V 10/3 cord.... More Details

Rated 120V, 30A Identifies faulty park power plus offers 2800 Joules of surge protectionAnalyzes circuits to verify pedestal powerIndicators illuminate to show power statusTests for and indicates: Ope... More Details

Adapts 30A male to 15A female.... More Details

Adapts a 15 Amp male plug to a 30 Amp female.... More Details

Permanently installed Surge Guard protects your RV bumper to bumper from faulty park power. Protects from the weather and theft and eliminates handling. UL Listed. Automatically shuts off the power wh... More Details

Identifies faulty park power along with industry leading surge protection. Plug into power pedestal to test for and indicate open ground, open neutral or correct polarity. Indicators illuminate to sho... More Details

Identifies faulty park power along with industry leading surge protection. Plug into power pedestal to test for and indicate open ground, open neutral or correct polarity. Indicators illuminate to sho... More Details

Most portable generators have a floating neutral. Surge Guard products will detect this as an open ground condition and not allow power to pass through. To solve this problem, insert the Surge Guard G... More Details

Perfect for Pop-ups and Travel Trailers. Identifies faulty park power and provides surge protection. Convenient Easy-T-Pullâ„¢ plug handlesIncreased receptacle brass thickness reduces heatLED fault char... More Details

Perfect for Pop-ups and Travel Trailers. Identifies faulty park power and provides surge protection. Convenient Easy-T-Pullâ„¢ plug handlesIncreased receptacle brass thickness reduces heatLED fault char... More Details

Optional wireless LCD screen, Compatible with Surge Guard models 34931 & 34951. VoltageAmp drawFrequencyKilowatt usageCurrent fault screenFault log of previous 4 faultsConnection statusVisual alert of... More Details

Total electrical protection from faulty park power and electrical issues inside the RV. Continuously monitors and displays voltage and amp draw (RMS)Low and high frequency protectionIncludes anti-thef... More Details

Total electrical protection from faulty park power and electrical issues inside the RV. Continuously monitors and displays voltage and amp draw (RMS)Low and high frequency protectionIncludes anti-thef... More Details

Features a one button quick open mechanism for easy opening. Added features include an easy, no tool blade change, a full metal body with comfort grip handle and a durable cutting blade. Accepts all c... More Details

Designed to crimp a variety of insulated and non insulated solderless terminal and connectors. The tapered nose features an anvil and blade designed wire cutter for clean cuts. Works with 10-22 AWG so... More Details

12-in-1 multi-tool screwdriver with 8 quick change tips, making it the perfect screwdriver for almost every project. Contains: 3/16", 1/4", 5/16" slotted; #1, #2, #3 Phillips; #1, #2, square recessed;... More Details

The 7-In-1 multi-tool pliers are perfect for stripping, shearing, gripping, crimping, reaming, and spanning and shearing bolts. The scalloped blade cuts easily and efficiently. These multi-tool pliers... More Details

Continuity tester for data & coax cables quickly detects wiring faults in network and coax cables. Test patch cables or installed cables. Identifies correct wiring, opens, shorts, reversals, miswired,... More Details

This rechargeable LED motion activated headlamp flashlight provides light where you need it most. This headlamp features three light modes: Flood (75/150/250 LM), Spot (150 LM), and downward arc light... More Details

This headlamp features two light modes: high, which gives off 120 lumens of bright LEDS, and low, which gives off 60 lumens of bright LEDs. The 120 degree wide beam angle is perfect for illuminating y... More Details

Made with premium D2 steel finish for durability, edge retention, corrosion resistance and everyday wear. Lightweight Metal Body with comfort grip for secure hold. The reversible point up point down b... More Details

Made with durable 8CR13MOV steel for durability. These knives are built for work. Full metal bodies with comfort grip provide a secure, comfortable hold. Southwire knives are backed by a lifetime no h... More Details

9" cable cutters with comfort grip feature a high-leverage, hot-riveted pivot joint which facilitates excellent one handed cutting. Designed to cut up to 2/0 copper and 4/0 AWG aluminum cables.... More Details

Designed for use with 6-12-volt batteries to start SUVs and trucks.... More Details

Perfect for camping, back-up home power and remote power Pure Sine Wave - ensure your delicate electronics run properly and are protected with clean power output2 AC Outlets (3 Prongs), 3 USB-A Ports,... More Details

Proprietary electrical interlocking contactors. Time delay at power up. Transfers to generator power automatically when energized after 30 second delay. When both shore power and generator power are a... More Details

Transfers to generator power automatically when energized after 30 second delay (generator mode). When both shore and generator power are available, generator dominates after a 30 second delay. Once g... More Details

Performs three of the most common electricial tasks: detect voltage, measure voltage, and test continuity. Measures 600 AC/DC VoltsCAT IV 600V Safety RatingBacklit LCD DisplayPowerful worklight... More Details

Non-contact AC voltage detector quickly checks for the presence of live voltage on wiring and electrical devices. Features a built-in flashlight for added convenience. CAT IV 600V safety rating, UL an... More Details

Transfers to generator power automatically when energized after 30 second delay. When both shore power and generator power are available, generator dominates after a 30 second delay. Once the generato... More Details

Easy-to-use receptacle tester identifies common wiring errors in 120V AC outlets plus tests GFCI outlets. Performs 7 tests (including the GFCI test). Drop forged steel with black-oxide finish for long... More Details

400A AC/DC Clamp Meter with True RMS, Built-In NCV, Worklight, and Third-Hand Test Probe Holder. CAT III 600V Safety Rating.... More Details

Consists of Southwire's best-selling 600V manual-ranging multimeter, easy-to-use 120V AC receptacle tester, and precise 90-1000V non-contact voltage tester. The perfect kit for home inspectors, electr... More Details

Perfect for basic electrical repairs & troubleshooting. Features include a rugged double-molded housing, large LCD display, and battery test function. Meets the latest UL safety standards. 7 functions... More Details

Replace stiff 50A cords with FLEX50A high-quality, super flexible cords. FLEX50A cord rating is from -50°C to +105°C. Outer jacket is Seoprene Thermoplastic Elastomer (TPE). TPE, along with stranded b... More Details

With a male and female connector molded on opposite ends-these extension cords permit the RV owner to reach a power source which otherwise might not be available. Molded of tough, corrosion resistant ... More Details

With a male and female connector molded on opposite ends-these extension cords permit the RV owner to reach a power source which otherwise might not be available. Molded of tough, corrosion resistant ... More Details

With a male and female connector molded on opposite ends-these extension cords permit the RV owner to reach a power source which otherwise might not be available. Molded of tough, corrosion resistant ... More Details

With a male and female connector molded on opposite ends-these extension cords permit the RV owner to reach a power source which otherwise might not be available. Molded of tough, corrosion resistant ... More Details

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Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of OEM and premium aftermarket marine and RV parts and accessories. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.