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Electronic Theatre Controls Inc

Source Four Mini Portable C Clamp Adapter and Bolt Size

The Source Four Mini and Mini LED Portable fixtures ship with a smaller C-Clamp than the full-sized Source Four C-Clamp. The smaller clamp has a ‘C’ opening that will accommodate 3/8” to 1” pipe (.675” OD – 1.315” OD). It has a 5/16 in.-18 x 3/4 in. long bolt to connect through the yoke of the fixture.
Bolt_Size.jpg

The ETC part number for this C-Clamp alone is HW7378 - S4 MINI C-CLAMP BLK ANODIZED. It is only available in black.

ETC also makes an adapter to allow the Source Four Mini and Mini LED Portable fixtures to use a standard-size C-Clamp. That is ETC Part# 7063A3039 - S4 MINI C-CLAMP ADAPTER. The smaller yoke bolt threads into this adapter, which in turn threads into the standard-size C-Clamp.

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