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Evolution™ Series 4-Gang Hinged Wall Box

EHWB4-BK Wiremold
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Designed to fit into the 16'' on center (406mm) opening between studs in a standard 2''x 4'' (51mm x 102mm) wall. For both new work and old work applications. The box has 4-gang standard NEMA size openings and is designed to accommodate power, communications, and A/V devices. The box has been designed with a cable pass-through capability, allowing multiple service access points to be daisy chained together, eliminating the need for multiple conduit runs. Box includes temporary cover. Finished cover assembly (EHWB4C) sold separately.
Color Black


  • Available in both 4- and 8-gang versions to provide maximum flexibility.
  • Built-in tunnel & feed through capability allows service feeds to be fed through the box, reducing the number f feeds required to reduce installation time.
  • Cover opens a full 180° and can be painted to blend with room decor. Includes integrated handle, lock and key set for security, and flush egress door for cabling.
  • Designed to accept standard 1- to 4-gang device plates. No proprietary plates simplifies ordering and installation.
  • Accepts Legrand AVIP devices, plus A/V devices from leading manufacturers.
  • 3 5/8'' [92mm] of space behind device plates provides the extra depth needed for wiring larger A/V devices.
  • Accepts trade size service feeds from 3/4'' up to 2''. Knockout plates are removable and interchangeable, providing multiple options.
  • Can be installed in new work and old work installations. New hardware not necessary.
  • Both boxes (4- and 8-gang) fit are designed to fit in 16'' opening between studs in standard 2'' x 4'' [51mm x 102mm] wall.
  • UL Listed to U.S. and Canadian safety standards.
  • Finished interior eliminates industrial look for upscale installations, while increasing visibility, making it easier to locate.


General Info
UPC Number 786564085621
Country Of Origin United States
Product Line Wiremold
Application Sector Commercial
Type Floor Box
Construction Assembled
Standard cULus Listed Metallic Outlet Boxes: File E2961 Guide QCIT, Meets Article 314.27(C) of NEC.
Cubic Capacity 43 cu in
Additional Information
RoHS Conformant Yes This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.
Listing Agencies / 3rd Party Agencies
cULus Listed  Yes
cULus ListingNumber  E2961
Buy American Act Compliance
Technical Information
Cable Entry Knockouts in


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