Bill of Materials View BOM
Thru-Roof Connectors
UL Logo Listed 96
Thru-Roof Connectors

Part No. Description Approx. Wt.
Ea. (lbs.)
Box Qty. Approx. Box
Wt. (lbs.)
Add to BOM ◆ ATRC1 Aluminum 3/4 10 7-1/2
Add to BOM ◆ CTRC1 Copper 1 10 10
Add to BOM ◆ BMTRC1 Bi-metal 3/4 10 7-3/4
Add to BOM ◆ BMTRC1U Bi-metal 3/4 10 7-3/4
◆ BOM = Bill of Materials
• Economical, low profile assembly provides a water tight mechanical
connection through the roof when 1" PVC conduit is used.
• Used through finished roof surfaces or when exiting above the
finished roof, such as in or on top of a parapet wall.
• Used when 230 series thru-roof units are not feasible.
• #BMTRC1 thru-roof connectors provide a bi-metal connection
between aluminum roof components and copper down conductors.
• #BMTRC1U thru-roof connector provides a universal connection
for one aluminum and/or one copper roof component and a copper
down conductor.
• Fits all main size conductors up to 9/16" diameter.
• #ATRC1 fits all main size conductors up to 19/32" diameter.

• No bend of a conductor shall form an included angle of less than 90 degrees, nor shall it have a radius of
bend less than 203 mm (8 in.).*
*NFPA 780 Conductor Bends Section 4.9.5

According to Directive: 2002/95/EC, 2011/65/EU (RoHS 2)
Thru-Roof Connectors
To whom it may concern,

The above part is hereby certified to be in compliance of the European directive 2002/95/EC, 2011/65EU or its exemption(s) for restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS 2).

301 Ziegler Dr
Grayslake, IL 60030