Manufacturer of flexible hose, liquid-tight conduit and weatherproof electrical products · Elizabeth, New Jersey

Sealproof® Weatherproof Products · Outlet Box Extensions

Round Extension Ring (4) 1/2" Holes

Part no. RER450 UPC 658746110813 Carton 8 pcs
  • cULus Listed · E362604
  • Weatherproof · NEC compliant

A die-cast extension ring for a round weatherproof box with 4 × 1/2" threaded hubs — adds depth when a device or the wiring needs more room, and adds entry points to an existing box.

Fits
Round Sealproof boxes
Hubs
4 × 1/2" threaded hubs
Material
Die-cast metal, powder-coat finish
Finish
Gray
Listing
cULus Listed, file E362604 · wet locations
Pack
8 per carton

Features

  • Die Cast Metal Construction
  • Powdercoat Finish
  • Easy to Install

Specifications

Part number
RER450
UPC / GTIN-12
658746110813
Trade size
1/2"
Colour / finish
Gray
Listing
cULus Listed, file E362604 verify at UL Product iQ ↗
Material
Die-cast metal
Piece weight
0.4 lbs
Inner pack
8
Carton quantity
8
Carton weight
3.8 lbs
Brand
Sealproof — a Superflex Ltd. brand

Superflex Ltd. · 400 S 2nd St, Elizabeth, NJ 07206 · 1-800-394-3665 · sales@superflex.com · superflex.com · Printed September 23, 2026. Specifications subject to change; confirm listings with the certifying body.