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nVent ERICO Cadweld Exolon, Cable to Rebar

Developed in 1988, nVent ERICO Cadweld Exolon connections represented a significant advancement in welded electrical connections for sensitive indoor applications like data centers, hospitals, and other clean room environments. The virtual elimination of smoke and a unique electronic starting system makes this an ideal solution for sensitive applications. Each nVent ERICO Cadweld Exolon package contains ceramic filters that produce an extremely low emission connection.


  • Forms a permanent, low resistance connection
  • Provides a molecular bond
  • nVent ERICO Cadweld Exothermic Connections are rated with the same current capacity as the conductor
  • Portable installation equipment with no external source of power required
  • Installers can be easily trained to make nVent ERICO Cadweld Exothermic Connections
  • Connections can be visually inspected


XX Mold Family
X Price Key
XX Rebar Code
XX Conductor Code
L* Split Crucible Crucible section is split on molds designed with horizontal opening for easier cleaning
M* Mold Only
W* Wear Plates Reduce mechanical abrasion of molds at cable entry points
* Empty if none


The search below may not contain all product options. For made-to-order configurations, consult the chart above.

Mold Family
Rebar Size, Metric
Rebar Size, US
Rebar Size, Canada
Conductor Size
Conductor Outer Diameter, Nominal

Mold Family

Part Number Mold Family Rebar Size, Metric Rebar Size, US Rebar Size, Canada Conductor Size Conductor Outer Diameter, Nominal Certifications
XLRDM512Q RD 10 mm #3 10M 4/0 Concentric 0.528" cULus
XLRDM532Q RD 16 mm #5 15M 4/0 Concentric 0.528" cULus
XLRJC531V RJ 16 mm #5 15M #2 Concentric 0.292" cULus
XLRTC522Q RT 13 mm #4 4/0 Concentric 0.528"
A gap between conductors may be required. See mold tag for more information.
Rebar material characteristics and location of weld must be considered when selecting connections to rebar.

nVent, nVent CADDY, nVent ERICO, nVent ERIFLEX, and nVent LENTON are owned by nVent or its global affiliates. All other trademarks are the property of their respective owners. nVent reserves the right to change specifications without prior notice.

UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.