Marinco 50FCRV 50-Amp Female RV Connector Plug

The Marinco 50FCRV is the female replacement connector for a 50-amp RV shore power cord. It's the end of the cord that connects to your rig's power inlet, and it takes a beating over the years. Plugging and unplugging at a hundred different pedestals, sitting out in the rain, catching a little arc now and then. Eventually it wears out. When it does, you don't have to buy a whole new cordset. You cut off the damaged end and wire this one on.

We see connector ends fail more than any other part of a shore power setup. The plastic cracks, a blade loosens, or the whole thing browns and melts from a loose connection running warm under a 50-amp load. That heat is the tell. If you've ever pulled a connector off a pedestal and felt it hot to the touch, the connection was resisting current and cooking itself. A fresh connector with tight, clean blades fixes that.

The 50FCRV is built from glass-filled nylon, so it shrugs off sun, rain, and the knocks that come with life at the campground. The blades are solid brass, which matters more than it sounds. Brass holds its shape and grip against the receptacle contacts, so you get a firm bite and a cooler connection instead of a loose one that heats up. There's a wide grip handle molded into the body too, which you'll appreciate the first time you're pulling a cold, stiff cord off a pedestal with gloves on.

This is a 50-amp, 125/250-volt connector, the standard for larger motorhomes and fifth wheels that run two air conditioners, a residential fridge, and everything else at once. It's sized for 6-gauge conductors, which is the wire you'll find inside a proper 50-amp cord. If your cord uses 6-gauge wire and carries 50 amps, this is the female end that belongs on it. Yellow housing, so it's easy to spot in a bin of black cords and connectors.

Wiring it on is a job most owners can handle in twenty minutes. You strip the four conductors, land each one on its terminal, torque the screws down, and close up the housing. Kill the power at the pedestal and the breaker first, always, and give the conductors a quick look while you're in there. If the copper is discolored or the insulation is heat-hardened well up the cable, trim back to clean, bright wire before you land it. If you're not comfortable working with 50-amp service, it's cheap insurance to have an RV tech or electrician do it. Either way, this connector gives them a quality part to work with instead of a hardware-store compromise.

Marinco has been making shore power gear for decades, and this connector reflects it. The tolerances are tight, the brass is real, and the housing doesn't get brittle after a season in the sun. For anyone who spends real time plugged in, at a seasonal site, on long trips, or living in the rig full time, the connector is a wear part worth keeping an eye on. Swapping a tired one before it fails saves you from losing power on a hot night when you need the air conditioning most.

A couple of honest notes. This is the connector only, not a full cordset, so you're reusing your existing cable. And it's the female end specifically, the one with recessed contacts that mates to the male inlet on your coach. If the damaged end on your cord is the male plug that goes into the pedestal, that's a different part. Check which end failed before you order. But if it's the rig-side female connector that's given up, the 50FCRV is exactly what you need to get your power back without replacing the whole cord.