# Shore Power Repair Long Beach | Same-Day Dockside Callback | Long Beach Marine Electric

> Pedestal tripping, burnt inlet or no AC at the panel? Get a licensed marine electrician to your Long Beach slip for 30A/50A shore power repair. Call today.

URL: https://longbeachmarineelectric.com/shore-power-repair/

Repair · Same-day callback

# Shore Power Repair & Installation in Long Beach

Pedestal tripping, burnt inlet or no AC at the panel? A dockside electrician finds the leak or the hot connection, then fixes it at your slip. 30A and 50A boats.

[Call (562) 374-7233](tel:+15623747233) [Get a Free Estimate](/contact/)

![Technician working on shore power wiring at a marina dock pedestal next to a sailboat](/images/photos/technician-testing-shore-power-pedestal-dock-1408.webp)

-   NEC 555.35: 30 mA ground-fault limit at shore-power receptacles
-   ABYC E-11: onboard ELCI ≤30 mA / ≤100 ms
-   30A & 50A · 125V and 125/250V
-   Marinco · SmartPlug · Hubbell
-   Tinned-copper, UL-listed marine cable
-   Free estimate within 24 hours

Last updated: October 6, 2026

[Long Beach Marine Electric](/) connects Long Beach boat owners with licensed, insured marine electricians for shore power repair and installation: pedestals that trip, inlets that have cooked, cords that have failed, and boats with no AC at the panel. The work covers 30A 125V and 50A 125/250V systems, onboard ELCI main breakers, and the leakage faults that newer 30 mA marina pedestals expose. Every visit starts with a leakage-current test, so you pay to fix the fault rather than to swap parts. If your plug or inlet is brown or melted, unplug it now and call.

## What happens on the first visit

1.  Visual check of the cord, both plug ends and the boat's inlet for heat discoloration, corrosion and loose pins. Brown or melted plastic means the connection has been running hot.
2.  Polarity and voltage at the pedestal outlet and at the boat's main breaker, under load, so a weak dock connection isn't mistaken for a boat fault.
3.  Leakage-current measurement with a clamp meter around the shore cord (hot and neutral together). Anything that isn't near zero points to a fault on board.
4.  Circuit-by-circuit isolation: AC loads switched off one at a time (water heater, charger, inverter, A/C) until the trip stops, which identifies the faulty appliance or wiring run.
5.  A written finding with the fault, the fix, and a parts-and-labor price before any work starts.

## Why boats in Long Beach marinas trip shore power more than they used to

Recent editions of the National Electrical Code have steadily tightened ground-fault protection at marinas. The 2023 NEC, section 555.35, sets the trip limit at **30 mA for each shore-power receptacle and 100 mA on feeders**. Marinas that have rebuilt docks or replaced pedestals, including the multi-year Alamitos Bay Marina reconstruction, install equipment built to that limit. A boat that ran for years on an older pedestal with a small hot-to-ground or neutral-to-ground leak will trip the new one within seconds.

That trip is not a nuisance. It means current is leaving the boat by a path other than the shore cord, and that path can be the water around the hull. The code cites ABYC Foundation research identifying 30 mA as the level that prevents most electric shock drowning incidents. That's why the same 30 mA number appears on the dock and on board.

## The five faults behind most shore power calls

1.  **Neutral-to-ground bond on board.** Common with household-style appliances and inverters wired without proper transfer switching. Under ABYC practice, neutral and ground are bonded only at the power source, never at a boat's panel while it's on shore power.
2.  **Inverter or inverter/charger miswired.** Panbo's reporting names inverters and reverse Y-adapters as the most frequent causes of ELCI tripping.
3.  **Failed water heater element.** A cracked element leaks current to the tank and trips the pedestal as soon as it heats.
4.  **Hot, corroded inlet or plug.** A loose or corroded pin raises resistance, generates heat and can melt the connector. AC faults between the pedestal and the boat's inlet are about 12% of boat fires in BoatUS insurance claims.
5.  **Damaged shore cord.** UV-cracked jacket, crushed conductors or a field-replaced plug with the wrong wire gauge.

## Inlet, cord and ELCI: repair or replace?

A discolored inlet should be replaced, not cleaned: heat damage changes the spring tension of the contacts, and the connection will run hot again. The same goes for the cord end that mated with it. Most 30A inlets can be replaced from inside the boat in one to two hours. Boats that see repeated connector heating are often moved to a locking, sealed system such as SmartPlug.

If your boat has no onboard ELCI (equipment leakage circuit interrupter), the current ABYC E-11 standard calls for one at the main shore-power disconnect, with a maximum 30 mA trip level and 100 ms trip time. The exception is a boat whose isolation transformer is installed within 10 feet of the inlet. Adding an ELCI main breaker is a common upgrade after a marina pedestal change.

## Insurance, warranty and who pays

Shore power work on a private boat is owner-paid. Insurance generally covers sudden damage, such as a fire, but not wear, so a marine survey finding like "shore power inlet shows heat damage" is a maintenance item you pay for. Pedestal and dock wiring belong to the marina; if the fault is on the dock side, the marina's own electrical contractor handles it, and the dockside test above tells you which side it's on before you pay for repairs.

## What's included

-   Leakage-current test of the full AC system
-   Polarity and voltage check at pedestal and panel
-   Inlet and cord-end heat inspection
-   Circuit-by-circuit fault isolation
-   30A or 50A inlet replacement
-   Shore cord and adapter replacement
-   ELCI main breaker installation
-   Written findings before work starts

## DIY vs cheap fix vs proper shore power work

DIY

Cheap operator

Proper marine work

Finding the fault

Try another pedestal

Replace the inlet and hope

Clamp-meter leakage test, circuit isolation

Burnt inlet

Sand the pins, plug back in

New inlet, old cord end

Replace inlet and mating cord end together

Pedestal trips

Cheater or reverse Y-adapter

Disconnect the water heater

Fix the leak or the N-G bond at its source

Leak protection

None

None

Onboard ELCI (30 mA / 100 ms, ABYC E-11)

Corrosion

Not checked

Not checked

Galvanic isolator or isolation transformer assessed

After the job

Unknown

Invoice

Re-tested at the pedestal, written findings

## Related resources

-   [Shore Power Installation Cost: Inlets, Cords, ELCI and Isolators (2026)](/guide/shore-power-installation-cost/)
-   [Why Does My Boat Keep Tripping the Shore Power Breaker?](/guide/boat-tripping-shore-power-breaker/)
-   [Burnt Shore Power Plug: Is It Dangerous and What Should You Do?](/guide/burnt-shore-power-plug/)
-   [Marina ELCI Requirements: What NEC 555.35 and ABYC E-11 Mean for Your Boat](/guide/marina-elci-requirements/)
-   [Galvanic Isolator vs Isolation Transformer: Which Does Your Boat Need?](/guide/galvanic-isolator-vs-isolation-transformer/)

## Sources

-   [NEC 2023 §555.35 excerpt (Mike Holt)](https://www.mikeholt.com/files/PDF/23_UNEC2_555.35.pdf)
-   [Panbo: GFCI and ELCI breakers can be confounding](https://panbo.com/gfci-and-elci-breakers-can-be-confounding-but-heed-their-warning/)
-   [BoatUS claims data via Quimby's Cruising Guide](https://quimbyscruisingguide.com/how-boat-fires-happen/)
-   [Cruising World: ABYC E-11 ELCI requirement](https://www.cruisingworld.com/?p=40379)
-   [Blue Sea C-Series 50A ELCI listing](https://seaandlandsupply.com/products/blue-sea-c-series-elci-main-circuit-breaker-double-pole-120v-ac-50a-3103)

Shore power down now?

Unplug a hot or melted cord, then call for a same-day callback.

[(562) 374-7233](tel:+15623747233)

Mon–Sat 7am–6pm · Free estimate within 24 hours

Standards applied

-   ABYC E-11 (AC & DC systems)
-   NEC 555.35 (marina GFPE limits)
-   UL 1426 marine cable
-   ABYC E-2 (galvanic protection)

[Estimate your cost](/tools/marine-electrical-cost-estimator/)

How it works

## How shore power repair works

1.  01
    
    ### Call or send the form
    
    Tell us the boat, marina and slip, and what tripped or failed. You'll get a callback the same day.
    
2.  02
    
    ### Dockside diagnosis
    
    The electrician tests polarity, voltage and leakage current, then isolates circuits until the fault shows itself.
    
3.  03
    
    ### Fixed price, then repair
    
    You approve a written parts-and-labor price before any work. Inlet and cord jobs usually finish on the same visit.
    
4.  04
    
    ### Re-test at the pedestal
    
    Leakage is re-measured near zero and the boat is reconnected to the pedestal to confirm it holds.
    

Get shore power repair at your slip today

Same-day callback. Written price before any work.

[Call (562) 374-7233](tel:+15623747233) [Get a Free Estimate](/contact/)

Straight answers

## Shore Power Repair questions

### Why does my boat trip the shore power pedestal but not at my old marina?

The new pedestal almost certainly has ground-fault protection set at 30 mA, as the 2023 NEC 555.35 requires for marina shore-power receptacles. Your old one likely didn't. The boat had the same leak all along. A leakage-current test finds which circuit is responsible, usually a water heater element, an inverter or a neutral-to-ground bond.

### My shore power plug is brown and melted. Can I keep using it?

No. Heat discoloration means the contacts are loose or corroded and running hot. Unplug it and keep it unplugged. Replace both the plug end and the boat's inlet, because a damaged plug will damage a new inlet and the reverse. AC faults at that connection account for about 12% of boat fires in BoatUS claims.

### How much does shore power inlet replacement cost?

A like-for-like 30A inlet is typically one to two hours of labor plus parts. Replacement inlet interiors run about $36, and a complete SmartPlug inlet-and-50-ft-cord kit runs about $540–$575. At Long Beach labor rates of $140–$200/hr, most inlet jobs land between about $180 (inlet interior only) and $1,175 (SmartPlug inlet plus 50 ft cord) installed. Use the cost estimator for your boat.

### Do I need an ELCI on my boat?

The current ABYC E-11 standard calls for an ELCI (30 mA, 100 ms) at the main shore-power disconnect, unless an isolation transformer sits within 10 feet of the inlet. Surveyors and insurers increasingly flag its absence. A 50A ELCI main breaker such as the Blue Sea C-Series lists at about $719 before installation.

### Who does the work, and how do I know they’re qualified?

Long Beach Marine Electric is a free service that connects you with an independent, licensed and insured marine electrician who holds the American Boat & Yacht Council (ABYC) Marine Electrical Certification. Ask your electrician for proof of license and insurance before work starts.

## Related services

[Galvanic Corrosion TestingZincs gone in weeks? Covers reference-electrode testing, galvanic isolators and isolation transformers for crowded marinas.](/galvanic-corrosion-testing/) [Marine Inverter InstallationPure-sine inverter/chargers sized to your loads and wired with proper transfer switching, so they don't trip the pedestal.](/marine-inverter-installation/) [Boat Electrical RepairDead circuits, flickering panels, intermittent faults. A dockside electrician traces the fault with a meter and a voltage-drop test, then fixes it at your slip.](/boat-electrical-repair/)

Pedestal tripping? Call before you plug back in.

[Call (562) 374-7233](tel:+15623747233) [Get a Free Estimate](/contact/)