Knowing when and how to fix/replace the meter box has an important impact on keeping electricity safe. This article provides a comprehensive guide for electrical contractors or facility managers, covering fix/replacement signs, cost, and steps, to help you safely complete the fix and replacement operations.
Signs Your Meter Box Needs Attention
Physical Damage: If you notice cracks, dents, holes, loose hinges, broken hinges, or corrosion.
Security Issues: if your meter box miss lock, can’t close the door, or has tampering signs.
Weather Damage: if your meter box suffers water leaks, UV damage, and warping due to temperature changes.
Electrical Warning Signs: When the meter box lights dim, a burning smell, frequent power interruptions, or abnormal sounds indicate that there are hidden safety issues in the electricity meter box.
Outdated Equipment: Most electricity meter boxes have a service life of 20 to 30 years. Beyond this period, the components of the electricity meter boxes age and don’t meet the current electrical codes.
Does Your Meter Box Need Fixing?
In many cases, minor damage or wear can be fixed without disrupting the structural integrity and electrical connections. For instance, minor surface damage of the caja del medidor eléctrico(corrosion or cracks), broken or loose hardware(cover, hinges, locks), and failed seals (the interior of the box and the circuits remain intact), etc. In general, the repair solutions are more efficient and cost-effective.
Does Your Meter Box Need Full Replacement?
Common replacement scenarios include severe rust or structural corrosion of the electricity meter box, melting or overheating damage, continuous water leakage, and an outdated/non-compliant meter box. What’s more, if you need to upgrade the service capacity, replacing the electricity meter box is also necessary.
How to Fix a Meter Box?
Contact the Utility Company
Notify your local public utility provider and ask if you must disconnect the power supply. Also, confirm that you are legally permitted to fix to avoid fines. When the fix does not require disassembling the electricity meter, you need to turn off the main circuit breaker inside the electrical panel and use a voltage tester to guarantee complete power-off.
Inspect the Damage Meter Box
Check the area of the meter box that you need to fix, including surface corrosion, loose screws, broken doors, and failed sealants. If you find burn marks or severe corrosion, you need a professional electrician to operate.
Clean Rust Area
You can use a wire brush or sandpaper to remove rust and wipe the area with a dry cloth. Then apply the anti-rust primer and the weather-resistant exterior coating. Avoid grinding or scraping near live internal terminals.
Replace or Fix the Failing Hardware
For broken or damaged doors, first check the condition of the electricity meter box door. If it’s just a loose screw, you only need to use a screwdriver to tighten it. If the screw is rusted, you need to unscrew it and replace it with the stainless steel screw. When replacing the screw, make sure the door is aligned with the box.
If the door is severely damaged, you can replace it with a new one. Measure the old door’s size and the hinge’s spacing, then purchase the corresponding type of box door. After removing the old door, install the new door in its original position using screws and check that it opens and closes smoothly.
For broken latch locks, you need to replace the entire lock assembly. Just buy the corresponding type of latch, remove the old one, and replace it with the new one. If only the lock plate is displaced, you just need to loosen the screw, adjust it to the correct position, and fix it.
If you need to repair the broken metal hinge, use a screwdriver to remove the old hinge and place the new one, and locate the screw holes. When tightening the screws, avoid touching the internal electrical meters or wires of the box.
Reseal the Meter Box
If there are visible gaps in the meter box, you can apply new outdoor-grade electrical sealant to the edges after removing the old sealant and letting it cure completely. The new waterproof barrier is substantial for protecting the electrical enclosure.
Secure a Loose Meter Box
If the enclosure has loosening or displacement signs, you can replace the broken anchor or screw. Ensure that the box body is flush with the wall during maintenance. and avoid pulling on the cable.
Final Inspection
Finally, check that the meter box is in a state of cover fastening and well-sealing. Besides, verify that there is no remaining debris inside the box. Then, you can restore power and check if the operation is normal. If there are no anomalies, your fix is complete.
How to Replace a Meter Box?
Contact the Utility Company
Notify the utility provider of your replacement plan, arrange for temporary power outages, and confirm the procedures for removing the electricity meter. You also need to verify the specification of the electricity meter base. These are all mandatory requirements.
Remove the Old Meter Box
In most areas, you are required to obtain an electrical permit and receive approval before connection. Before removing the old meter box, make sure that the power is completely cut off.
The power company can also cut off the cables at the service drop. Then, you need to disconnect the wiring and grounding conductors on the load side of the distribution box. Use a screwdriver to unscrew and remove the old meter base from the wall. You also need to replace the conduit if it is damaged.
Install the New Meter Box
Choose the right meter base to ensure that it matches the required amperage rating and the utility company’s specifications. If you are replacing an outdoor electricity meter box, choose one with an outdoor usage rating.
According to local regulations, the electricity meter box should be placed at the specified height. It should be securely fixed to the wall frame or on an approved installation wall surface. As needed, you can replace the mast or install new conduit fittings. For overhead services, you also need to install the weatherhead.
Reconnect Wiring
Connect the incoming service conductors to the meter lugs and tighten them according to the specifications. Then, connect the conductors to the main circuit breaker panel. Finally, connect the grounding electrode conductor and verify the bonding jumper placement.
Seal the Meter Box
At this stage, you need to install the proper hub fittings for the meter box and seal all wall penetrations. To prevent moisture from entering and causing corrosion, it is also necessary to apply exterior-grade sealant around the box.
Final Inspection
Before rewiring, the local inspector needs to verify the device compliance, check the grounding and bonding, and confirm the wiring size. Only after the inspection is approved can the service be resumed.
Comparación de costos
The currently cheapest option may provide short-term benefits but lacks long-term value. The following cost comparison is provided to assist you in better managing and fixing the facilities.
Average Cost to Fix a Meter Box
Light repairs cost about $150-$400, and medium repairs cost about $400-$800. The repair costs usually include replacing the cover, cleaning the surface, and resealing. Generally speaking, fixes are more cost-effective for you only when you don’t need to upgrade the service capacity, and fix minor damages.
Average Cost to Replace a Meter Box
Replacement will require you to pay more labor costs, coordination fees with utility companies, etc. Generally, the basic replacement cost ranges from $800 to $1,500, while upgrading the electric meter box costs more than $1,500 to $3,000. If you need to replace a compliant wire or installation area for structural repairs, the replacement cost will be higher.
If your electrical meter box is experiencing frequent fixes, continuous corrosion, limited service life, and insufficient electrical capacity, replacing it would be more cost-effective than repeated repairs.
Errores comunes que se deben evitar
Using the Wrong Breaker Size
Small size may lead to unnecessary tripping. Large sizes lead to overheating and increase fire risk. Disyuntores must match the wire specifications and load requirements.
Failing to Coordinate With the Utility Company
The local utility provider controls the electricity meters and service lines. Unauthorized tampering with the electricity meters can result in fines, service disruptions, and other issues.
Ignoring Grounding and Bonding Requirements
Loose grounding connections and incorrect neutral-to-ground bonding can cause shock risk and code violations.
Preguntas frecuentes
How Long Does It Take to Place a Meter Box?
A simple wall-mounted replacement device usually takes about 1 to 3 hours. Embedded installation or brickwork modification may take longer. If you need to coordinate with the power company, the time will be even longer.
Can I Replace a Meter Box by Myself?
In many cases, you can fix minor damage, such as replacing hinges, locks, or seals. However, if the meter box has an electricity meter or a gas meter, you must avoid touching the internal circuits or pipe connections. Structural repairs are usually permitted, but it is necessary to check local regulations and the utility company rules before starting.
Who Is Responsible for Replacing a Damaged Meter Box?
If the electricity meter is damaged or damaged due to a public equipment fault, the utility company is responsible for the replacement. When the meter box appears cracked, rusted, shows water leakage, or exhibits other faults, the facility owner is responsible for replacement.
How Often Should a Meter Box be Inspected?
For industrial and commercial enterprises, the electrical box inspections should be conducted once every 6 to 12 months, and a professional inspection should be implemented once a year. Besides, immediate inspections are required after heavy rain, physical damage, and equipment upgrades.
Final Thought
As a professional enclosures manufacturer, KDM can provide you with high-quality indoor/outdoor electricity meter boxes. If you have any customization requirements, you can contact us to obtain a customization production report. We will promptly respond to your needs and provide samples in the short term.
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