While, in theory, this could possibly happen, it is about as likely as Rosie ODonnell beating Lance Armstrong in The Tour de France. FACT: SmartPlug had nothing to do with this article other than to offer heat sensing images and answer about 1000 pestering questions from me. 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. Read the full press release. Nylon body with UL flammability of 94V-0. Ask yourself how a boat-owner locks a shore cord like this into place to prevent this occurrence.? In 1938 lead paint was the rage and asbestos was in everyday use. Today, in 2016 we can certainly do better. Grow up! The safest practice is to do the job correctly and buy a new cord set and inlet. L18-30R. Here we are looking at the 30A field install/retrofit plug and a 30A inlet. Add just a little corrosion, some torquing & pulling on the plug and stack all that onto the minimal contact area and we develop heat. When not in use this gasket keeps the pins drier.. Marinco's EEL Line of Products. In addition, the information and data on this site may change at any time. Really, I am not uploading these, my computer is just so full of them it keeps puking them out (grin). The two mating contours needed to allow insert & twist create a very small point of final engagement. We cast off from our dock in Emeryville, CA in July of 2015. I do this purposely and by design to eliminate any potential for being called a shill. Not sure what you need? Over 20 boats and the marina were destroyed all on what is believed to be a shore power cord/inlet. One more comment in your picture with Not an uncommon occurence overprinted in red you ask if the reader sees a locking ring you missed. If US Made, the product would sit in US shelves because it could not be built affordable and could not be competitive. Returns are easy and youll always receive the best customer service and advice. NEMA SS-2 receptacle. Total Contact Area = 190.4 sq mm, Twist-Lock 30A The rubber appeared to have deteriorated in the sun. A main AC breaker on a boat needs to interrupt both the AC WHITE/NEUTRAL & AC BLACK/HOT wires, and be located quite closely to the AC shore inlet (10 or less). Wiring Device - Kellems is a proud member of the Hubbell family. 2 pole, 3 wire 2- The front portion of the lid, nearest the hinge, positively locks into the plug body. Add to Cart. Locking Devices, Twist-Lock, Marine Grade, Ship to Shore Cableset, 50A 125V, 2-Pole 3-Wire Grounding, Non-NEMA, Yellow. 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. They were loaded to 28A for 1.5 hours at an ambient room temp of 72F.. You can purchase a Smartplug kit from the MHT Amazon store: Buy Smartplug Products MHT Amazon Store, This is an ordinary day for me and it brings to mind that saying, a picture tells a thousand words. This site is 100% FREE and reader supported, not industry supported in any form shape or manner.. To date I have made less than it cost me to write this article due to the cost of buying the supplies etc. Hubell: HBL63CM60 Still the difference in contact surface area is huge. As a marine electrician I do not feel safe about that with the 1938 NEMA L5-30 plug standard. Store Finder; . The Marinco 50 Amp Shore Power Male Plug is constructed to hold up in harsh marine environments. Please use the latest version of one of these browsers. I examined rather closely the NEMA L5-30 socket and pin design and now want to show the SmartPlug 30A pin and socket. 4.7 out of 5 stars 512. Weve seen far too many examples of failed replacement cord ends to recommend this practice. 120/208V. The Marinco 30 Amp Standard Shore Power Inlet features a glass filled polyester construction that is UV stabilized and constructed for lasting strength. background-position: center; Top / Locking Wiring Devices / Marine Twist Lock Plugs. Features: It will fit the old location regardless of whether the original inlet was plastic or metal. The black oxidation on this wire can also lead to or create high resistance. . It should be noted that this was not the dimple side but the non-dimpled side.. Do you really want to run 30A through that? This 30 Amp/15 Volt contoured, square inlet is designed to provide an option to upgrade or replace Marinco Cable TV/Internet Inlet Marinco 30 Amp Shore Power Locking Receptacle I used their retrofit kit and changed the end on my existing twist-lock cable. This is flat out bovine dung and a 150% LIE! Here in Maine we do have a fair number of boats that winter over, many of which use electric heat. Camco PowerGrip RV Plug, 50 Amp Male Plug (125-250V/12500W), NEMA 14-50P (55255) Problem number two find a company that can make it to SmartPlugs stringent specifications and quality standards. Lets examine this further. Be sure to ask about our Customer Loyalty Program for additional savings. I very often come across twist-lock sockets where the detente or dimple & hole really dont feel as if they have meshed up or actually locked into one another. If this level of immaturity keeps up I will begin naming names and I will call you out. } 3 Marinco 50 Amp Shore power Male Plug background-size: cover; Marinco stainless steel power inlets are solid cast marine-grade 316 stainless steel. Results on google were inconclusive other than to say the cause of the fire was electrical. The receptacle is robust and offers massive contact area when compared to the circa 1938 twist-lock standard. Compare. 5- There are no seals on this plug standard thus it is very easy for corrosion to set in on the pins & sockets and create yet even more resistance. That said the product is out there and is available. Simple plug-and read design to allow you to effectively test your trailer lights harness saving you . Prices, specifications, and images are subject to change without notice. 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. I knew exactly how to fix and remedy his problem, a new SmartPlug inlet and cord set.. Hubbell serves the needs of customers in a variety of market applications. A new run of 10/3 triplex tinned marine wire was in order. I suspect if the NEMA L5-30 standard were tested today, to todays standards, it would have never gained approvals. If the connection between the cord and the boat is even slightly damaged, it will create heat that can eventually result in fire.. The thermal breaker is made in Germany using comparable wages to US workers. I am certainly not alone in my dislike for this antiquated & unsafe standard. This is what it looks like inside the female SmartPlug. It will prevent the high resistance melt down images you have already seen so many of here and could save lives, entire marinas and boats. 4 Pole, 4 Wire. Veepeak 30 Amp Shore Power Inlet NEMA L5-30P 125V Twist Locking Plug for Boat RV Trailer Camper Van, ETL Listed, Marvine Cable Shore Power Adapter 30A L5-30P to 50A SS2-50R Dogbone 1.5Ft, ABN L5-30R Connector with RV Power Cord Cover & Ring 30 Amp Twist Lock Inlet Locking Plug Protector, 30A 125V, Leisure Cords 30 AMP RV Power Cord Locking Shore Connector Replacement End Marine Twist Lock with Boot, | Based on star rating and number of customer ratings, RVGUARD 3 Prong 15 Amp to 30 Amp RV Adapter Plug with Locking Connector, 5-15P to L5-30R 125 Volt AC Camper Generator Adapter Electrical Converter Plug Green, 25ft 30Amp 125V LED Electric Extension RV Power Wire Cord Marine Shore Boat L5-30 Black 25 Feet Heavy Duty Electrical Power Cable, NEMA L5-30P to NEMA L5-30R, BougeRV 30 AMP RV Receptacle Plug RV 30 AMP Plug Electrical Plug Adapter with Handle (Male Plug), 25FT 30 AMP RV Power Cord with Handles 10 Gauge Heavy Duty Weatherproof Electrical Camper Trailer Marine Boat Shore Cable with LED Twist Lock Connector Wire Yellow, CircleCord 30 Amp to 15 Amp 110 RV Adapter Cord with Locking Connector, NEMA 5-15P Male to L5-30R Twist Lock Female Electrical Power Dogbone, STW 10 Gauge for RV Trailer Camper, ETL Listed, Dumble Outdoor Marine Electrical Power Male Inlet Socket Box Kit 30A 125V Connector, Twist Lock Plug Cord Cover, Ring, Parkworld 692026 Splitter Marine Shore Power Y Adapter SS2-50P Male 50A Plug to (2) L5-30R Female Dual 30A Receptacle, Camco Heavy Duty RV 30 AMP PowerGrip Male Replacement Plug- Durable and Safer Plug with an Easier Grip (55245), Yellow|Yellow, Muelnmey NEMA L14-30C 125/250 Volt 30 Amp Generator Locking Female Plug Box, MECMO - Marine Shore Power Y Splitter SS2-50P Male 50A Plug to (2) 30A L530R Female, 50 Amp 125/250V to L5-30R Y-Adapter Splitter Boat Shore Power Adapter w/Locking Ring & Collar, UL Listed - 3FT, Parkworld 691685 Shore Power Adapter Household 15A 5-15 Plug to RV Twist Lock 30A Socket L5-30 Receptacle with Locking Ring (Adapter), Marinco 30A 125V Marine Shore Power Cordsets, SmartPlug 30-Amp Inlet Connector - BM30NT, ABN 30 AMP RV Power Inlet with RV Receptacle Plug and Weather Resistant Twist Cover for Marine Boat RV Shed Electrical Extension, 30amp Extension Adaptor Cord TT-30P to L5-30R, RV Electrical Cords, Dogbones, & Protectors, Parkworld 692019 Shore Power Adapter Cord Marine 50A Plug SS2-50P to L5-30R RV 30A Receptacle Female (1.5FT). Legal Notice: all of the information and data on this site is for informational purposes only and is provided for the convenience of the user. Resource Quick View. NEW This means approx 21A on a 30A circuit. I had previously warned him that we would want to address his aging shore connection and cord, to which he just shrugged and put it off. Click part # below to order or call 1-800-406-8520 - Usually Ships within 24 hours . This is their new set screw design for clamping the inlet wire. The Marinco 30 Amp Stainless Steel Shore Power Inlet is constructed of 316 marine grade stainless steel and includes a heavy duty cap strap for strength and durability. 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. These plugs and inlets were both 30A versions run at 28A or 93% of the face value rating. $32.99 $ 32. Furrion 30 Amp Male Plug- Yellow Scary stuff for sure. or any replacement part or upgrade your boat requires. If you know what you are looking for the early signs of high resistance can be pretty obvious. 1 of 3, NEW In 1938 safety testing for marine use never even existed. Get the latest updates on new products and upcoming sales, All prices are in USD. Browse and shop now! Right where you want it. Easy Lock System . Hubbell is making waves in the marine devices industry with Hubbell Wiring Device-Kellems marine market products. Not responsible for typographic or illustrative errors. As we can see in this photo the wire was not only corroded, due to the marine environment and the age, but it also suffered due to the high resistance. It should be noted that the vast majority of this system is made right here in America and I like that. WARNING: If you want to push beyond a 21A load on a 30A twist-lock you are doing so at your own risk. Wholesale Marine has those, as well! Its important to understand that I am not alone in my feelings about shore power safety. Does not include rear safety enclosure with strain relief Inlet, Cable TV Square Stainless Steel. Benefits are derived from well implemented Solutions. 2- Due to the fact that this standard relies on twisting to lock the plug into the socket the fit of the round plug into the female socket is more sloppy than it should or could be and allows movement between socket and plug. Notice how robust the spring clamping mechanism is and the up turned guide points which make entry of the male pins seamless and easy.. Now if we could just get all those inverter manufacturers to Aw $hit, I give up. 2000-2022 Home Depot. The results were, well, shocking.. For use on 30A, 125V stainless steel inlets and for use on nonmetallic 30A, 125V inlets. Compare . Support for this site through my donate button (end of this article) help keep this site FREE and the in-depth brutally straight forward articles coming your way. The other reason there can be more contact area, is because the pins are flat not curved. IMPORTANT: Due to the curved shape of the twist-lock measurements are as near as can be made without going to impressions on transfer paper. There are a number of factors that all conspire to lead to a shore inlet melt down or fire: Heres a prime example of where tinned marine wire may have bought this owner a bit more time. It is insanity to argue against the thermal-breaker in the Smart Plug 30A without also arguing against auto-transfer inverters, especially if they want to use the Darrell & Darrell argument. Here Im measuring the pin thickness of a NEMA L5-30 marine grade plug made by Marinco. We also carry the complete line of Marinco trolling motor plugs and receptacles such as the new 70 AMP plug or the ConnectPro plug. Even at this 93% of rating level the Smart Plug handles the current in a far better manner. Over the years I have seen far too many examples of situations like this. Read the full press release, Marinco 70A Trolling Motor Plug Wins 2017 Boating Industry Top Product Award, Marinco is honoured that the new 70A trolling motor plug and receptacle has recently been named one of the top 50 products of 2017 by Boating Industry. Not responsible for typographic or illustrative errors. Stainless Steel Fasteners This makes the installation & conversion to a SmartPlug simple. Product Features: A major reason for this inspection routine is to document the condition of each boats Inlet Receptacle, the device on the boats exterior to which the shore power cord is connected, and the condition of the mating end of the cord itself. Use with SKU #MAR-7788CR (weather proof cover). 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. Marinco 30 Amp Standard Shore Power Inlet Here is the lid gasket. }. 50 amp 125 volt inlet with stainless steel housing and cover , high-temperature washdowns, oil/coolant splashing, and are corrosion-resistant so they can be used in high-vibration marine environments. Hubbell Shore Power. SKU: 36752 . 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. 6- The socket clamping mechanism/spring clamping feature is made from material just 1mm thick.. While many boats owners do improperly use these cord sets, and this too can lead to high resistance, many of them still fail and burn up even when being properly used with the locking rings properly used and installed.The failure modes are well beyond just one cause and most of it starts with the design. Returns are easy and youll always receive the best customer service and advice. then destroying them. Safe? Marinco 12V or 24V Trolling Motor Twist-Lock Receptacle with Flip-Lid Cover. The industrial quality of these plugs gives the strength for long lasting use backed by our 5 year warranty. This means it only has to insert but does not have to twist as well. align-items: center; Due to the fact that he sails year round he keeps his boat heated with electricity to prevent it from freezing up. Light. In the shop, shooting these photos, I realized my glasses were in the house. The Marinco ConnectPro features a locking plug and receptacle and spring clamping connection to provide a secure electrical contact. This NEMA 14-50 power extension cord features convenient folding handles . (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.). The industrial quality of these plugs gives the strength for long lasting use. Regardless of the age or make of your craft, Wholesale Marine has the shore power plugs or any replacement part or upgrade your boat requires. ACE understand these problems because they pay the claims! I paid for this socket out of my own pocket. The crew at Sailboatowners.com (LINK) are really great. Inside the body of the 30A inlet is an epoxy potted thermal breaker that will trip at 200F. There I said it.. Whew.. Front of Pin Contact = 6mm X 8.5mm = 51 sq mm Think this stuff is not serious? Why is this? Over time the female spring mechanism tires, becomes weaker and the plug fits loosely and no longer snaps or clicks into the detentes. Product Features: 30Amp 3 Prong Twist Lock Plug, Oil, Water & Weather Resistant Flame Retardant, Yellow, DCOC-0136-DC. Think again! Twist-Lock EdgeConnect Plug with Spring Termination, 20A, 125/250V, L14-20P, Black and White Nylon . Because it does not involve fine threads, twisting and the plug cant physically wiggle, once inserted, the locking mechanism actually lasts for more than a few weeks before self destructing. Features: Industrial At the marina, many boaters want all the comforts of home- away from home. Factory made cord sets have a blue LED in the boat end of the cord. HBL29W77. Read on and decide for yourself. It needs to be robust to handle the marine environment and loads imposed by a moving boat. Red 12V or 24V Twist-Lock Battery Charger Plug. There are also signs of arcing and burning on the pin itself. Total Contact area with dimple locked in place = 6.63 sq mm. Here you can see the design and floating nature of the set screw head. Soft touch cap stays open Marinco 50 Amp Shore Power Male Plug 125V 3- The back portion of the lid locks positively into the plug body. I am trying my hardest to keep this information FREE. This twist-lock standard would likely never gain approvals under todays stringent electrical safety standards but we have it due to grandfathering. Keep in mind that I dont have advertisers I need to worry about offending so I can actually be honest in my writing.. Do your part and help support MarineHowTo.com. 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. A few months later my suggestion became an emergency. 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. Ken tried his hardest to manufacture it all here in the US which is more than most companies will even attempt these days. 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.

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