WILL FIT THESE CABLES				PANEL DIMENSIONS						PART NO.	DESCRIPTION	SCREW TYPE	CAD
Romex Type	AWG/ Conds	Approximate Size		A Mounting Hole Dia.		B To Prevent Rotation		Panel Thickness		Black
		in.	mm.	in.	mm.	in.	mm.	in.	mm.
NM-B	14/2, 14/3, 12/2, 12/3, 10/2	up to .250 x .400	up to 6,4 x 10,2	.875	22,2	.770	19,6	.062	1,6	1726	USR-401	nylon
								.125	3,2

Standard color black. Consult Heyco for white and other colors.
*For Romex® and other flat cables.

• USR 400 fits the widest range of cable sizes.
• USR 401 fits the widest range of Romex® and other flat cable sizes.
• Captive screw forces the locking flap against the cable.
• Captive screw meets typical European requirements wherein the Strain Relief device must remain attached to the panel during cable removal or replacement.
• Nylon USR 400 & 401 comply with:
  - IEC Publication #335
  - CEE #10 and # 11
• Easy installation: fingertip pressure locks bushing into .875" (22,2 mm) diameter holes with panel thickness up to .125" (3,2 mm).
• Reinforcing ribs for extra strength.
• Bell mouth contour, radiused at 1.5x the exit hole diameter, eliminates the need for a separate cord guard.
• Protect cables against forces of pull, push, twist, and flex.
• Heyco-Tite Liquid Tight Romex Connectors.
• For Double D Mounting Hole Punches, click here.

QuickSpecs

Material		Nylon 6/6
Certifications		Recognized File E15331 for round and flat SPT type cables
		Listed under Underwriters' Laboratories File E103540
		Certified by the Canadian Standards Association File 81067
Flammability Rating		94V-2
Temperature Range		-.04°F (-18°C) to 221°F (105°C)