MM LUG 4S/6C 125A 4J OH/UG RG
MM LUG 4S/6C 125A 4J OH/UG RG
MM0406L1125ESC
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$302.33
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$302.33
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MM LUG 4S/6C 125A 4J OH/UG RG โ Product Description
๐ What it is
A main lug / meter-main style electrical termination assembly used to connect and distribute service power (typically between utility service conductors and a panel or subpanel).
๐งพ What the shorthand means
- MM LUG โ Main Lug (no main breaker; incoming power lands on lugs)
-
4S/6C โ
- 4 spaces (or positions depending on configuration)
- supports up to 6 circuits (layout-dependent designation)
- 125A โ 125-amp service rating
- 4J โ enclosure/jaw or model series designation (manufacturer-specific code)
- OH/UG โ Overhead / Underground feed compatible
- RG โ Ring-style meter / ringed enclosure (or rain-gutter/rated housing depending on manufacturer shorthand)
โก What it does
This type of equipment:
- Receives incoming utility power (overhead or underground service)
- Provides main termination points (lugs) for service conductors
- Distributes power onward to a panel or branch system
- Acts as a service entrance or meter-main component
๐ Typical uses
- Residential service entrance equipment
- Small homes or accessory buildings with 125A service
- Meter-main combinations feeding a load center
- Utility-approved outdoor power distribution setups
๐ง Simple explanation
This is a 125-amp service connection box that accepts utility power (overhead or underground) and feeds it into a home or subpanel using main lugs instead of a built-in breaker.
๐ง Key takeaway
- It is part of the service entrance system, not a branch breaker
- Uses main lugs instead of a main breaker
- Supports 125A electrical service distribution
- Designed for utility meter and feed connections

MM LUG 4S/6C 125A 4J OH/UG RG
$302.33