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Appleton™ DER, GUB and GUBM Cast Junction Boxes
Appleton™ explosionproof, dust-ignitionproof, watertight DER, GUB and GUBM cast junction boxes are designed for use where the number and size of conductors require a junction box with additional space. They are ideal for use in indoor and outdoor classified locations. These corrosion-resistant junction boxes provide access for maintenance. They can be used as pull boxes for pulling and splicing of wires and as an enclosure for electrical devices.
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Features
- Explosionproof, dust-ignitionproof, watertight
- Accurately tapped, tapered conduit threads for tight, rigid joints and ground continuity
- All conduit hubs and openings provide a minimum of five full threads to meet CSA requirements
- Provided with mounting lugs and covers
- Surface covers furnished with DER and GUB junction boxes have lugs to take a bar or wrench. Other style covers, as listed below, are available
- Sealing covers have a plugged hole through which the box can be filled with sealing cement after installation. When sealing covers are used, splices or taps within the junction boxes are prohibited by the Canadian Electrical Code (CEC)
- Dome covers permit conductors to be pulled in with the ends extending well out beyond box body where splices can easily be made. The splices need not be crowded back into the box, but can be left as is when dome cover is used for their enclosure and prot
- DER and GUB Series are available in a wide selection of sizes and locations for drilled and tapped conduit openings. They are suitable for use as an enclosure for relays, instrument and other control apparatus in classified locations
- GUBM Series comes complete with a round, explosionproof glass window cover which permits direct reading of an enclosed instrument. It is furnished with one ¾” drilled and tapped entry.
Specifications
- CEC Certifications and Compliances
- Class I, Division 1 and 2, Groups A, B, C, D; Class I, Zone 1 and 2; Class II, Division 1 and 2, Groups E, F, G; Class III, Enclosure 4
- Standard Materials
- Copperfree (4/10 of 1% max.) aluminum or malleable iron bodies. DER and GUB covers are copperfree (4/10 of 1% max.) aluminum. GUBM covers are copperfree (4/10 of 1% max.) aluminum and glass
- Options
- Other hub arrangements, hub sizes means of instrument fastening are available. Instrument mounting plates or brackets can be furnished. DER1C or DER1CA are available without mounting lugs. See catalog pages for details
Documents & Drawings
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