Milbank Ringless Meter Socket ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$143.70
Milbank Ringless Meter Socket 125A, 4–5 Terminal, Utility Grade with Grounding Options

Milbank Ringless Meter Socket 125A Single Phase 600V with Grounding Options and Barrel Lock Provision

(No reviews yet) Write a Review

Model: U7487-O

In Stock (leaves warehouse same day if ordered before 3pm ET)

$143.70
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Milbank Ringless Meter Socket 125A Single Phase 600V with Grounding Options and Barrel Lock Provision

Professional utility-grade metering solution with enhanced security features

The Milbank Ringless Meter Socket delivers reliable single-phase electrical metering with 125 continuous ampere capacity and 600V AC rating. Constructed with G90 galvanized steel and powder coat finish for durability, this utility-grade meter socket features glass polyester insulation and surface mount design for professional installations. The unit includes barrel lock provision with 9/16 inch knockout and angle bracket for enhanced security applications.

Professional Features & Benefits

  • 125 Continuous Ampere Rating: Provides reliable capacity for residential and light commercial metering applications with consistent performance under full load conditions.
  • Single Phase 600V AC: Compatible with standard utility voltage systems while offering enhanced voltage rating for versatile installation requirements.
  • G90 Galvanized Steel Construction: Delivers superior corrosion resistance and long-term durability with powder coat finish for enhanced weather protection.
  • UL Listed Type 3R Rating: Ensures compliance with safety standards and provides protection against rain, sleet, and ice formation for outdoor installations.
  • Barrel Lock Provision: Includes 9/16 inch knockout and angle bracket for enhanced security and tamper resistance in utility applications.
  • Glass Polyester Insulation: Provides reliable electrical isolation and thermal stability for consistent performance across temperature variations.
  • Lay-in Terminal Design: Simplifies wire connections with 6-2/0 AWG wire range compatibility for both line and load side connections.

Technical Specifications

  • Amperage Rating: 125 Continuous Ampere
  • Application: Meter Socket
  • Barrel Lock Provision: 9/16 Inch Knockout and Angle Bracket for Barrel Lock Provision
  • Brand Name: Milbank
  • Departent: Electrical
  • Frequency Rating: 60 Hertz
  • Insulation: Glass Polyester
  • Line Side Wire Range: 6 - 2/0 AWG
  • Load Side Wire Range: 6 - 2/0 AWG
  • Main Breaker Size: No Main Breaker
  • Number Of Main Breakers: 0
  • Number Of Meter Positions: 1 Position
  • Number Of Receptacles: 0
  • Phase: 1 Phase
  • Product Height: 11.5 IN
  • Product Length: 3.313 IN
  • Product Material: G90 Galvanized Steel with Powder Coat Finish
  • Product Mounting: Surface Mount
  • Product Size: 3.313L x 8W x11.5H
  • Product Type: Ringless Meter Socket
  • Standard: UL Listed;Type 3R
  • Terminal: Lay in
  • Unspsc Number: 39121102
  • Voltage Rating: 600 Volts Alternating Current
  • Width: 8 IN

Professional Applications

  • Residential electrical service metering installations
  • Light commercial and small business facilities
  • Multi-unit residential properties and condominiums
  • Utility company metering infrastructure projects
  • Electrical contractor service upgrades and replacements
  • Municipal and government facility electrical systems

Why Choose Milbank Quality?

Milbank delivers proven reliability with UL Listed certification and Type 3R weather protection rating. The G90 galvanized steel construction with powder coat finish ensures long-term durability, while the glass polyester insulation provides consistent electrical performance. Professional contractors trust Milbank for utility-grade quality and compliance with industry standards.

Manufacturer Resources

Product Specs

Amperage Rating:
125 Continuous Ampere
Application:
Meter Socket
Brand Name:
Milbank
Frequency Rating:
60 Hertz
Insulation:
Glass Polyester
Line Side Wire Range:
6 - 2/0 AWG
Load Side Wire Range:
6 - 2/0 AWG
Main Breaker Size:
No Main Breaker
Number Of Main Breakers:
0
Number Of Meter Positions:
1 Position
Number Of Receptacles:
0
Phase:
1 Phase
Product Height:
11.5 IN
Product Length:
3.313 IN
Product Size:
3.313L x 8W x11.5H
Product Type:
Ringless Meter Socket
Standards:
UL Listed;Type 3R
Terminal:
Lay in
Unspsc Number:
39121102
Voltage Rating:
600 Volts Alternating Current
Product Material:
G90 Galvanized Steel with Powder Coat Finish
Product Mounting:
Surface Mount
Amps:
125
Product Width:
8 IN
Department:
Electrical
Product Subgroup:
Electrical
Insulation Type:
Glass Polyester
Installation Category:
Surface Mount
Terminal Type:
Lay In
Number of Phases:
1
Frequency:
60 hertz
Product Details:
Ringless Meter Socket

Milbank U7487-O – Frequently Asked Questions

1) Will a Milbank U7487 ringless meter socket handle a 125 amp residential service?
Yes. The U7487 is rated 125 continuous amperes, single phase, 60 Hertz, at 600 volts AC, which covers a standard 125A residential or light commercial service. It is a socket only, with no main breaker and no receptacles, so overcurrent protection has to live in the panel downstream or in a separate disconnect.
2) Do I need a 4 terminal or 5 terminal Milbank U7487 meter socket?
Most U7487 configurations are 4 terminal, which is the normal single phase 3 wire 120/240V arrangement. One version, U7487-RL-TG-5T, is 5 terminal for utilities that require the fifth jaw. The utility decides this, not the electrician, so pull the service requirements before ordering. All versions are single meter position.
3) What wire size can I land in a Milbank 125A meter socket?
The U7487 takes 6 AWG through 2/0 AWG on both the line side and the load side, with lay-in terminals so the conductor drops into the lug rather than threading through a hole. That range covers typical copper and aluminum service conductors for a 125A service. If your service entrance conductors are larger than 2/0, this socket is the wrong body.
4) What does triplex versus quadplex versus standard ground mean when ordering a Milbank U7487?
It is the neutral/ground connector inside the can. Standard ground takes a single conductor. Triplex ground gives you three terminations, quadplex gives four, so you can land the service neutral plus grounding electrode conductors and a bonding jumper without doubling up. Ordering codes run U7487-O (standard), U7487-RL-TG (triplex) and U7487-RL-QG-KK (quadplex). Pick by how many grounds and neutrals actually have to terminate at the socket.
5) Which Milbank U7487 has a horn bypass and do I need one?
Horn bypass lets the utility pull the meter without dropping power to the customer, and many utilities require it on service upgrades. On the U7487 it is the KK in the part number, for example U7487-RL-TG-KK or U7487-XL-TG-KK. If your utility does not require bypass, the no-bypass versions such as U7487-RL-TG or U7487-YL-TG are the ones to order.
6) Is there a Milbank U7487 approved by my utility?
Several U7487 versions carry a named utility approval in the part number: PEPCO (U7487-RL-KK-PEP), SMECO (U7487-XL-KK-SMECO), Consumers Energy (U7487-RL-TG-KK-CE), Alliant Energy (U7487-RL-TG-KK) and CPSB (U7487-O-KK-CPSB and U7487-YL-KK-CPSB). Meter sockets are approved by the serving utility, so if you are in one of those territories order the matching suffix rather than the generic version, or the inspector and the utility will reject the set.
7) What hub or top opening options come on the Milbank U7487 meter socket?
Four top styles. A 2 inch hub (U7487-DL-TG) and a 1.25 inch hub (U7487-YL-TG) for threaded conduit straight into the can. A plain top (U7487-O) with no opening, for underground or side entry. A small hub opening (U7487-RL) that accepts a separate hub of your size. A closing plate version (U7487-XL-TG-KK) that seals the opening. Match the top to your service entrance: overhead riser wants the hub sized to the mast conduit, underground lateral usually wants plain top or closing plate.
8) How much wall space does a Milbank U7487 meter socket take up?
The can measures 3.313 inches long by 8 inches wide by 11.5 inches high. That is a compact single position footprint, which matters on a crowded multi-family wall or a narrow pilaster where several sockets sit side by side. Add clearance above and below for the riser or lateral conduit and for the working space the utility requires at the meter.
9) Which Milbank meter socket takes a barrel lock for tamper protection?
U7487-RL-TG-BL is the version built for it, with a 9/16 inch knockout and angle bracket for a barrel lock provision. That is what a property manager or utility wants where the meter is publicly accessible and ring seals alone are not holding up. Ringless design means the cover itself is what gets secured, so the barrel lock is doing real work here.
10) What is the difference between a ringless and a ring type meter socket, and which do I order?
A ringless socket uses a full cover that slides over the socket and is secured by the utility seal, versus a ring type where a separate locking ring clamps the meter to the socket. The U7487 is ringless. This is not an installer preference, it is dictated by the serving utility, so confirm which style your utility accepts before ordering. Ordering the wrong style means the utility will not set the meter.
11) Can I use a Milbank U7487 on a 208V or 240V three phase service?
No. The U7487 is single phase only. A three phase service needs a 7 jaw or 8 jaw three phase socket instead. The 600 volt AC rating on the U7487 is the insulation class of the socket, not permission to use it on a three phase system.
12) Does the Milbank U7487 meter socket include a breaker or disconnect?
No. It is a meter socket only, with zero main breakers and no receptacles. If the job calls for a service disconnect at the meter, you need a meter main combination unit or a separate disconnect downstream. Buyers replacing a meter main with this will end up short a disconnect.
13) Will a galvanized Milbank meter socket hold up in a coastal or wet environment?
The enclosure is G90 galvanized steel with a powder coat finish over it, and the socket is Type 3R rated for rain, sleet and ice. Internally the insulation is glass polyester, which holds its dielectric and dimensional stability through temperature swings. For salt spray exposure, stainless is the step up, but G90 plus powder coat is the standard outdoor spec for utility metering.
14) I have a bank of meters to standardize across an apartment building. Can I use the U7487 for all of them?
The U7487 is a single meter position socket, so a building with multiple tenants needs one per unit rather than a single ganged unit. Standardizing works if every position is 125A single phase and the utility accepts ringless. Order all positions with the same terminal count, ground type and bypass option so the spares interchange. Milbank also builds multi-position meter stacks if you would rather run one gang than a row of individual cans.
How fast can I get the Milbank U7487-O delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Milbank U7487-O come with a warranty?
Absolutely. The Milbank U7487-O is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Milbank U7487-O?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Milbank U7487-O from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!