Learn about common electrical system troubles in rental apartments (tripped breakers, lights not working, etc.), their causes, and how to address them. We also explain how repair costs are divided between landlord and tenant, and how to contact your landlord.

Reviewed by: Nobuyuki MoriPresident, M-Assets Co., Ltd. / Licensed Real Estate Transaction Specialist (Miyagi #018212)
Unattended deaths in rental housing are a risk that both landlords and tenants cannot ignore. Experts explain practical measures covering everything from handling leftover belongings and restoration costs, disclosure requirements for affected properties, insurance options, and welfare check services.
When a parent is diagnosed with dementia, what should a family in rental housing do? From the long-term care assessment application process, through decisions about whether to continue renting or relocate, and covering contract representation and the adult guardianship system, we outline the essential knowledge families need to know.
When living in a rental apartment, is earthquake insurance truly necessary? This article explains the differences between earthquake and fire insurance, what earthquake insurance covers and its limitations, and how to prepare appropriately as a tenant.
Electrical problems in rental apartments are surprisingly common, especially shortly after moving in or during seasons when many appliances are used heavily. Main types of troubles include:
Some of these troubles can be resolved by changing usage habits, but if they're caused by aging equipment or wiring defects, professional repair is necessary. This article explains how to handle electrical troubles in rental apartments.
When only a specific room's or circuit's breaker trips, the cause is likely overuse of appliances connected to that circuit.
Steps to take:
The breaker trips when the circuit exceeds its rated amperage (typically 15–20A). High-consumption appliances like hair dryers, microwave ovens, and electric heaters should not be used together on the same circuit.
When the entire apartment's breaker trips, your usage exceeds your contracted amperage. Check your contracted amperage with the power company (30A, 40A, 60A, etc.) and consider upgrading if needed.
In rental apartments, amperage changes must be arranged with your landlord or management company. Never change it on your own.
When a leakage breaker trips, electricity is leaking—a dangerous situation. Due to risks of electric shock and fire, do not attempt to restore power yourself. Follow these steps:
Steps if leakage is suspected:
If leakage is suspected, report it to your landlord or management company immediately. Leakage is legally classified as the landlord's responsibility to repair.
If lights don't work, first check the following:
Light fixture failure is a maintenance issue and the landlord's responsibility. However, if you accidentally broke it (dropped it, for example), you are responsible.
If only specific outlets don't work:
In older buildings, outlet wiring may be degraded. If you see smoke, smell burning, or feel heat from an outlet, stop using it immediately and contact your landlord urgently—fire is a risk.
Electrical repair costs are divided between landlord and tenant depending on the cause.
Legal basis: Under Civil Code Article 606, landlords are obligated to maintain the building. Equipment failures fall within the landlord's repair responsibility.
Disputes can arise over whether a failure is due to "wear and tear" or "tenant misuse." If unsure, record what happened before and after the failure, take photos as evidence, and keep them.
When you determine an electrical trouble is an equipment issue, contact your landlord or management company promptly.
When requesting repairs, keep written records (email, Line, etc.) of your communications. Document your contact and the landlord's response to prevent "he said, she said" disputes.
If your landlord refuses to repair, you can contact the National Housing Consultation Service or your local consumer affairs center.
If your bill spikes without a change in usage, suspect:
If leakage is suspected, follow the identification steps above and contact your landlord.
Here are everyday measures to prevent electrical troubles:
Avoid daisy-chaining power strips: Using multiple extension cords to multiply outlet access is dangerous. If needed, ask your landlord to add outlets.
Unplug appliances when not in use: This saves standby power and reduces leakage and heat risks.
Regularly inspect outlets: If you notice discoloration, burning smell, or heat, stop using it immediately and contact your landlord.
Be careful with high-capacity appliances: Microwave ovens, hair dryers, and air conditioners consume significant power. Avoid using them together on the same circuit.
With proper handling, electrical troubles in rental apartments can be safely resolved. For dangerous troubles like leakage, contact your landlord immediately rather than attempting repairs yourself, and ensure they meet their legal repair obligations.
Repair cost responsibility follows this principle: "The landlord pays for wear and tear and equipment defects; the tenant pays for damage caused by misuse." Keep evidence, communicate appropriately, and resolve issues cooperatively.
不動産ネットワーク
投資物件・賃貸住宅・テナント・運営会社をつなぐ不動産4サイト連携。
Noise problems in rental apartments can cause significant stress after moving in. This guide helps you understand the causes of different types of sounds, explains concrete DIY soundproofing solutions, and covers key points to consider when selecting a rental property—all from an expert perspective.
床スラブ厚と上階の足音問題——賃貸で「ドン」という衝撃音が響く構造的な理由と物件選びのポイント
前橋・群馬の賃貸エリアガイド【2026年版】——主要エリア別家賃相場と住みやすさを徹底比較
Making the Most of Protruding Beams and Columns in Rental Apartments — Smart Furniture Placement Strategies
Mito & Ibaraki Rental Area Guide [2026] — Comprehensive Explanation of Rental Rates and Livability by Major Area
Uncovering Property Issues by Asking Previous Tenants About Their Departure—Questions to Ask During Viewings and How to Interpret Answers