
The P1563 thru P1573 series clamps are parallel clamps for rigid conduit and pipe.

The P1563 thru P1573 series clamps are parallel clamps for rigid conduit and pipe.
| Part No. | Finish | Size |
P1563-EG |
Electro-Galvanized (EG) |
3/8" |
P1564-EG |
Electro-Galvanized (EG) |
1/2" |
P1565-EG |
Electro-Galvanized (EG) |
3/4" |
P1566-EG |
Electro-Galvanized (EG) |
1" |
P1567-EG |
Electro-Galvanized (EG) |
1-1/4" |
P1568-EG |
Electro-Galvanized (EG) |
1-1/2" |
P1569-EG |
Electro-Galvanized (EG) |
2" |
P1570-EG |
Electro-Galvanized (EG) |
2-1/2" |
P1571-EG |
Electro-Galvanized (EG) |
3" |
P1572-EG |
Electro-Galvanized (EG) |
3-1/2" |
P1573-EG |
Electro-Galvanized (EG) |
4" |
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View the Unistrut Finish Specifications PDF for detailed specifications on all finishes. AL = Aluminum CC = Copper Coated PC = Plastic Coated AS=Assembled
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Note: When tightening 1/4" screws used with a two piece pipe clamp, a torque of 5 foot pounds (60 inch-pounds) should be used.
346-12. Supports Rigid metal conduit shall be installed as a complete system as provided in Article 344 and shall be securely fastened in place. Conduit shall be firmly fastened with 3 feet (914.4 mm) of each outlet box, junction box, cabinet, or fitting. Conduit shall be supported at least every 10 feet (3.05m).
Exception: If made up with threaded couplings, it shall be permissible to support straight runs of rigid metal conduit in accordance with Table 344.30 (B)(2), provided such supports prevent transmission of stresses to termination where conduit is deflected between supports.