Product Features: This is the standard used for 30A shore power on boats here in the USA and elsewhere. Benefits are derived from well implemented Solutions. Overload the main breaker and trip it? I have literally seen NEMA L5-30s forced in and inserted incorrectly. display: flex; If you know what you are looking for the early signs of high resistance can be pretty obvious. They finally settled on a design for the thermal protection system and then found a company to manufacture it. These plugs and inlets were both 30A versions run at 28A or 93% of the face value rating. In this picture we can see the contact area between pin and socket. wire system Rather than creating my own video SmartPlug has already done this: One of the biggest pit-falls of the circa 1938 twist-lock design is that its nearly impossible to gasket and keep it dry. Manufacturer rebates, terms, conditions and expiration dates are subject to manufacturers printed forms. I wrote this from my own physical experiences and from what I firmly believe, as a marine electrician, is safer. Hubbell AC Connector Ca STD 50a 125/250v . This twist-lock standard would likely never gain approvals under todays stringent electrical safety standards but we have it due to grandfathering. 2- The front portion of the lid, nearest the hinge, positively locks into the plug body. Think this stuff is not serious? Corrosion resistance and robust Marinco 30 Amp Female Shore Power Connector I suspect a large number of the 55% of boat fires that are electrical in nature (source ABYC & USCG data) are the result of this antiquated and unsafe twist-lock standard we currently use. To facilitate this locking feature dimples are used to create the detente so you know the socket is in place. Mastervolt's Integrated System Provides Optimal Performance for the Volvo Ocean Race . Let us help. I think the image speaks for itself and represents pretty much what I see in the real world. We are dedicated to developing and delivering marine products so that boat builders and boat captains can feel at ease while on the water. FACT: I receive nothing from SmartPlug, zero, zilch, NADA. Like what you saw or read? These outlet covers can come in various materials, styles and colors. The challenge to save energy, improve safety or make sure everything continues to perform in a harsh environment, are all candidates for good solutions. Add to Project List. Fast-forward to the spring of 2017, weve put over 10,000 nm on the log and we are now in Florida getting ready to head North for the summer, and I noticed that the rubber (?) I do see such a locking ring what appears to be happening with that setup is the connector body is coming apart, with the outer shell separating from the inner part that still has a locking ring engaged. Furrion: Marinco 50 AMP Easy Lock Shore Power Inlet w/ Back Rear Enclosure The silver screw is your AC 120V WHITE/NEUTRAL wire. By that I mean calling out the sheer safety concerns of a left over, grandfathered & arguably dangerous standard from 1938 vs. todays technology designed from the ground up to minimize the exact issues the twist lock standard is fraught with. I used their retrofit kit and changed the end on my existing twist-lock cable. SKU: 138089 | Item ID: MCO 2018BP-24. Choose from our selection of twist-lock plugs, including over 800 products in a wide range of styles and sizes. Wholesale Marine has those, as well! Wiring Device - Kellems is a proud member of the Hubbell family. You are using a web browser we don't support. Shop for marine 12V outlets now and save or browse our great selection of boat switches. Precision Wireless controlled spot light Focused. Weve seen far too many examples of failed replacement cord ends to recommend this practice. Easily Engaged Locking System. Like anything common sense should rule the day, but too often common sense is being waved bye-bye to out the back window of the school bus.. We now have a safer mouse trap & a better mouse trap but it will always get hung up with second guessers & direct competitors proposing poorly thought out & grossly hypocritical supposition like I just outlined. 3 of 3, Power Products provides life-saving and essential products in COVID-19 relief efforts, Power Products, LLC - A Menomonee Falls based division of Brunswick Corporation (NYSE: BC) is playing a vital role in the nationwide efforts to provide critical services during the COVID-19 crisis. One look in the cockpit, or at the boat end of the cord, saves you a trip to the dock pedestal. With this old, antiquated left over 1938 NEMA L5-30 standard there is approximately 20 times less surface contact area than there is in a modern SmartPlug. In todays day and age it is far and few between that I come across products that: I got a call from this owner one day saying his shore power cord looked charred and no surprise it certainly was. NOTE: New versions of the 30A SmartPlug inlet will begin shipping with the new set screw design you will see below. When you look at the temp spread you can see a 23F rise in temperature, from the ambient air temp, on the circa 1938 NEMA L5-30 plug standard. (2) Hubbell HBL9452C 50A 125/250V 14-50P 3-Pole 4-Wire Industrial Grade Male Electrical Plug - Black. Manufacturer rebates, terms, conditions and expiration dates are subject to manufacturers printed forms. When you call us, you are speaking with a fellow boating enthusiast who knows and appreciates that you want your vessel up and running and in top shape. See our major markets and building types below. One is the circa 1938 NEMA L5-30 twist-lock standard, most boaters are using today, and the other is a SmartPlug. Marinco's EEL Line of Products. Returns are easy and youll always receive the best customer service and advice. Black nylon 30A. 2023 Fisheries Supply Company 1900 N. Northlake Way, Seattle, WA 98103, Galvanic Isolators & Isolation Transformers. Marine grade twist lock construction Enough with the lies already, please grow up.. (Tip: cut the green ground wire half an . Outlet Covers and Wall Plates. Annual inspections shall be carried out between the end of the cruising season and the beginning of cold weather, when most boats have returned to their moorings, but before they have begun to present winter heating loads to the Marina. Please understand & comprehend that you can easily start a fire with high resistance and never trip a circuit breaker. This 30A inlet is highly polished cast, not stamped, 316L stainless steel. IMPORTANT: If you are uncomfortable with AC wiring, and do not understand the differences between HOT, NEUTRAL and GROUND, please hire a competent marine electrician to do this install. I find this level of immaturity, by people who should know better, utterly disgusting and the lowest form of low. (EDIT: 2/24/16 I have now made $245 in net reader donations on this article after paying off all the parts and pieces used or destroyed in the article.). Resource Quick View. Wiring Device - Kellems is a proud member of the Hubbell family. Even at this 93% of rating level the Smart Plug handles the current in a far better manner. 4.7 out of 5 stars 512. Lots of these locking rings fail within a few months or just weeks and quite often just fall off and disappear entirely. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. Price and other details may vary based on product size and color. This cord-to-boat connection is subject to wear-and-tear damage from the activity of connecting and disconnecting the cord, and it is also subject to damage from wet winter weather, and it is a major source of fire in marinas. It can remain in spec far longer than a twist-lock because the twist-lock allows for odd angles, twisting, unintended off center loading, torquing and expansion/stretching of the clamp mechanism all due to its left over 1938 design. or any replacement part or upgrade your boat requires. If you liked it, learned from it or I saved you some money feel free to make a small donation, thats all I ask. background-repeat: no-repeat; The crew at Sailboatowners.com (LINK) are really great. They were loaded to 28A for 1.5 hours at an ambient room temp of 72F.. It recently came to my attention that some, within an organization I support fully, namely the ABYC, have told people that this article is a direct marketing piece for SmartPlug and that I am a shill for SmartPlug? You are using a web browser we don't support. 3- We are trying to use this on boats and boats move continuously. Rugged, solid, safe, and reliable thats what marine wiring devices from Hubbell Wiring Device-Kellems are designed to be. Cord lets you connect your RV's or boat's marine-style, 50-amp power plug to a 50-amp marine-style power source. It is very rare that a shore cord is properly supported to strain relieve the plug & socket. Loaded identically, the SmartPlug yields just a 4F rise from ambient room temp. This 30 Amp/15 Volt contoured, square inlet is designed to provide an option to upgrade or replace Marinco Cable TV/Internet Inlet Darrell #1 goes to the dock pedestal and physically unplugs the shore power cord. Adapter Plug. I wanted to see if this motion created any more contact area or width. Should the ring falling off or cross threading even be possible if this is so critical to the performance of the cord set? In 1938 houses had cloth covered wire and no safety ground for 120V outlets, In 1938 GFCI outlets were not even a thought in an inventors mind. Once the plate is removed the inlet can be wired. The contact area that was scored into the sheet metal was just about the same width as a US dime.. Never being satisfied with what should be enough to show readers what I am trying to say, I pushed on. SmartPlug sales have taken off dramatically and demand is high, and for good reason. If you want to push it to 80%, and feel safe about that, the number is 24A. Product Features: NOTE: At this point in time SmartPlugs are for the boat end only. Copyright 1994 - 2023 Compass Marine Inc. | All Rights Reserved. Product Features: Here in Maine we do have a fair number of boats that winter over, many of which use electric heat. 2 pole, 3 wire $32.99 $ 32. Due to the fact that he sails year round he keeps his boat heated with electricity to prevent it from freezing up. SKU: 36753 | Item ID: MCO 2018BP-12. That means a need for reliable power for cable TV, the internet, lighting, and galley appliances. This was 28A in a controlled testing environment with brand new specimens. SKU: 36753 | Item ID: MCO 2018BP-12. Benefits are derived from well implemented Solutions. See our major markets and building types below. Top / Locking Wiring Devices / Marine Twist Lock Plugs. 3 Marinco 50 Amp Shore power Male Plug Back of Pin Contact = 16.4mm X 8.5mm = 139.4 sq mm Front of Pin Contact = 1.3mm X 2.4mm = 3.12 sq mm The robust nature of the inlet is part of the design. That said the product is out there and is available. A new run of 10/3 triplex tinned marine wire was in order. I examined rather closely the NEMA L5-30 socket and pin design and now want to show the SmartPlug 30A pin and socket. When this plug standard began life it was back in 1938. We dont and wont install replacement cord ends for customers. If your wire run between the AC shore inlet to the AC main breaker, at the AC panel, is more than 10 wire feet, not as the crow flies, then you will want to install a second 30A or 50A double pole breaker. Yes, you read that correctly, 20X less contact area! I clamped a 10GA UL1426 wire under one of the clamp screws 35 times. We cast off from our dock in Emeryville, CA in July of 2015. .jumbotron { then destroying them. The Smart Plug pins are flat thus measurements are far easier. Over the years I have seen far too many examples of situations like this. For use on 30A, 125V stainless steel inlets and for use on nonmetallic 30A, 125V inlets. Red 12V or 24V Twist-Lock Battery Charger Plug. The two mating contours needed to allow insert & twist create a very small point of final engagement. NEMA SS-2 receptacle. Be sure to ask about our Customer Loyalty Program for additional savings. Product Features: 50 Amp 125/250 Volt 3 pole, 4 wire Marine grade twist lock construction Stainless steel. You are using a web browser we don't support. In Stock. Product Features: Simple plug-and read design to allow you to effectively test your trailer lights harness saving you . When Ken, the owner of SmartPlug, set out to design this product he wanted to incorporate a thermal-breaker into the inlet body to prevent melt downs, boat and marina fires due to high resistance. Read the full press release. Twist-Lock EdgeConnect Plug with Spring Termination, 20A, 125/250V, L14-20P, Black and White Nylon . Lets stop the BS here and now. Prices, specifications, and images are subject to change without notice. There are four points of positive locking between the inlet and the plug: 1- Right & left push lock connectors which are similar to the locking mechanisms found in cordless drill batteries. The regulatory & certification organizations that over see this, such as UL, NEC, NFPA, NMMA & the ABYC should all be ashamed that they continue to allow this standard to continue in the marine environment. 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Front of Pin Contact = 6mm X 8.5mm = 51 sq mm Drawing on over a century of commitment to innovation and quality, Hubbell Wiring Device-Kellems, an industry leader, is dedicated to developing and delivering marine products that improve performance, safety, and functionality. I generally dont recommend loading a NEMA L5-30 30A circuit to more than 70% of its face value rating, especially in the marine environment. background-position: center; Why are there no locking rings at the dock end? The guys at SmartPlug are constantly looking to make this product the absolute best it can be and they do listen to the trade and DIY customers, when it comes to feedback. Some readers have suggested that the problem is not the design, but rather how boat owners improperly use these cords and is because they dont use the locking rings. Hubell: HBL63CM60 Wholesale Marine | Sitemap. If the connection between the cord and the boat is even slightly damaged, it will create heat that can eventually result in fire.. Product Features: The tough construction and corrosion resistance provides Marinco 30 Amp Stainless Steel Shore Power Inlet $28.99. Single pole main breakers (hot only) are not used in the marine AC systems despite many builders doing so in the 60s 70s & 80s. 2023 Fisheries Supply Company 1900 N. Northlake Way, Seattle, WA 98103, Galvanic Isolators & Isolation Transformers. Even the clamping screws are color coded to the corresponding wire colors. In addition, the information and data on this site may change at any time. 316 stainless steel housing If you break the cover off a Smart Plug inlet youre also going to have a nice hole in your boat (wink). Ken tried his hardest to manufacture it all here in the US which is more than most companies will even attempt these days. , high-temperature washdowns, oil/coolant splashing, and are corrosion-resistant so they can be used in high-vibration marine environments. Marinco 70A Trolling Motor Plug Wins 2017 Boating Industry Top Product Award. The entire contact area here is but a 1.3mm X 2.7mm and 1.3mm X 2.4mm area often trying to handle 30A of current. WARNING: I will be honest here and say that I much prefer a new cord set and inlet as compared to the retrofit kit shown here. This means that nearly 25% of all boat fires start in the shore cord/power system. View Details. Do you see any locking rings on this dock pedestal? Click the DONATE button below if you would like to make a donation. My gut instinct is that I suspect 1.5 hours should be sufficient to get any heating at the plug/socket juncture to the surface of the plug. I believe in the dire seriousness of these issues 150%. For a 50-amp cord with a male connector and female twist-lock connector we have 18-inch cords like # CAM55572 and the others shown on the other linked page. FACT: What have I received from Smart Plug? Problem number one, design and build a thermal protection system for the SmartPlug 30A inlet. Because of this dual stage insertion method the socket receptacle has to be shaped to accept both forms of engagement, insert and then the twist.. It does not take an engineer to see that the spring clamp can remain tighter, and within design spec for far longer, with the SmartPlug, than it can with a twist-lock. I knew exactly how to fix and remedy his problem, a new SmartPlug inlet and cord set.. Fisheries Supply offers a wide variety of electrical marine products, including Marinco 12 volt trolling motor plugs, receptacles, and sockets. All Rights Reserved. Here we are looking at the back of the 120V SmartPlug inlet with the cover plate removed. We . HBL29W77. There are also signs of arcing and burning on the pin itself. This was a very early cord and they subsequently added more UV inhibitors in later production runs. Read the full press release, Mastervolt's Integrated System Provides Optimal Performance for the Volvo Ocean Race Vessels, Mastervolt was chosen as the official electrical supplier to the Volvo Ocean Race because of its integrated, technologically advanced systems and rugged components that can handle the abusive conditions of this around the world race. 99 ($16.50/Foot) FREE delivery . You can easily see that GREEN/GROUNDING/EARTH is the bottom hole, BLACK/HOT is the right hole and NEUTRAL/WHITE is the left hole. The wire jacket itself was melted, became brittle, and then the jacket fractured. In order to make these points clearer I chose to destroy this socket by cutting it open to give a full look into why they are so dangerous. Lets examine this further. Abrading & Polishing; . So why do I dislike it so much? Made to withstand the harsh marine environment, Hubbell shore power products are some of the best in the business keeping your boat safe while plugged in. The other reason there can be more contact area, is because the pins are flat not curved.
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