RV Hookup & Outlet Installation Cost: 30 Amp & 50 Amp
A home RV hookup typically costs $400 – $1,800 installed. A 30-amp TT-30 outlet runs $400 – $1,200, and a 50-amp NEMA 14-50 outlet runs $600 – $1,800. The distance from your panel to the parking pad is the main driver, and trenching to a detached spot adds $10 – $25 per foot. Here is how 30A and 50A differ and what a full pedestal hookup costs.
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| Setup | Installed range | Notes |
|---|---|---|
| 30A TT-30 outlet (near panel) | $400 – $700 | NEMA TT-30, 120V, common for smaller RVs |
| 30A TT-30 outlet (longer run) | $700 – $1,200 | Distance and conduit add up |
| 50A 14-50 outlet (near panel) | $600 – $1,000 | NEMA 14-50, 240V, large RVs and 5th wheels |
| 50A 14-50 outlet (longer run) | $1,000 – $1,800 | Heavier wire over distance |
| RV pedestal (30A + 50A + 20A) | $1,200 – $3,000 | All-in-one post with breakers and outlets |
| Trenching to a detached pad | $10 – $25 per ft | Add-on; buried conduit and backfill |
| Line item | Typical cost | Notes |
|---|---|---|
| TT-30 or 14-50 receptacle | $10 – $40 | In a weatherproof outdoor box |
| Breaker (30A single / 50A double-pole) | $15 – $60 | Sized to the outlet |
| Wire and conduit | $2 – $6 per ft | Heavier and pricier for 50A and long runs |
| RV pedestal post | $200 – $700 | Pre-wired post for permanent hookups |
| Electrician labor | $200 – $700 | Scales with distance and trenching |
| Permit and inspection | $50 – $200 | New circuit, usually required |
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30-amp vs 50-amp: which your RV needs
The two are not interchangeable, and it comes down to what your RV is built for. A 30-amp RV uses a TT-30 plug, which is a 120V connection on a single hot leg, delivering up to about 3,600 watts. That suits smaller travel trailers and RVs with one air conditioner. A 50-amp RV uses a NEMA 14-50 plug, which is 240V across two hot legs, delivering up to about 12,000 watts, enough for large motorhomes and fifth wheels running two AC units plus heavy appliances.
Match the outlet to the RV's built-in cord, not to what seems convenient. Adapters exist (a 50A RV can use a 30A source through a dogbone adapter, with reduced capacity), but a 30A RV should never be force-fit onto an unprotected 50A source without the right adapter. The 50A version uses the same NEMA 14-50 receptacle found on EV and range circuits. If you might upgrade RVs later, many homeowners install the 50A outlet now, since it costs more in wire but covers both with adapters.
Why distance and trenching drive the price
An RV outlet mounted on the exterior wall right behind the panel is the cheap version: short cable, an outdoor weatherproof box, and an hour or two of labor. Most RV parking, though, is on a driveway apron or a pad away from the house, and that is where the cost lives. Getting power across the yard means either an overhead run or, far more commonly, a buried run.
Trenching adds $10 – $25 per foot for digging, laying conduit, pulling wire, and backfilling. A 60-foot run to a detached pad can add $600 – $1,500 on its own, before the outlet. Rock, tree roots, crossing a driveway, or hitting the local frost-depth burial requirement all push the per-foot number up. When you compare quotes, the trench length and depth is the line item to scrutinize.
Outlet, pedestal, or full hookup
A single weatherproof outlet is the basic option and covers most homeowners who park one RV and want shore power for charging and climate control. If you want flexibility, an RV pedestal (the same post style used in campgrounds) combines a 50A, a 30A, and a 20A outlet with their own breakers in one weatherproof unit. The pedestal post itself adds $200 – $700, pushing a full pedestal install to $1,200 – $3,000.
A true full hookup adds water and sewer, which are plumbing and septic jobs outside the electrical scope and budget. For electricity alone, decide between a single outlet sized to your RV and a multi-outlet pedestal that handles any visitor's rig. Either way, the outdoor receptacle needs a weatherproof in-use cover, and recent code requires GFCI protection on many of these circuits, which can add a GFCI breaker or outlet cost.
Panel capacity and permits
A 50A RV circuit is a substantial load. On a 100A or 125A service that already runs a central AC, an electric range, and a dryer, adding a 50A outlet can exceed the panel's capacity. A licensed electrician runs an electrical load calculation first; if the service is near its limit, a subpanel or service upgrade may be needed before the outlet goes in, which is a separate cost.
New RV circuits require a permit and inspection in most jurisdictions ($50 – $200). The inspector verifies the breaker, wire gauge, weatherproofing, burial depth, and GFCI protection. Skipping the permit on a 50A outdoor circuit is a genuine safety and insurance risk, since this is a high-amperage connection exposed to weather and used with a long, flexible cord.
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