Appleton™ GR GRF and GRTS Conduit Outlet Boxes

Appleton™ explosionproof and dust-ignitionproof GR, GRF and GRTS conduit outlet boxes are furnished with internal ground screw and O-ring. They are ideal for indoor and outdoor classified locations. These corrosion-resistant outlet boxes provide access for maintenance, connecting conduit and changing conduit direction. GRTS Series has factory-installed drain and terminal block options.

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Features

  • Explosionproof, dust-ignitionproof
  • Various hub arrangements and hub size combinations with mounting feet/flange and covers
  • Ductile iron bodies have high tensile strength, ductility and provide great resistance to corrosion, impact, and shock
  • Internally threaded body with externally threaded cover
  • Various domed covers and canopies. GRTS adds cable attached cover.
  • Standard o-rings provide raintight fit; NEMA 3, 4. GRTS adds NEMA 4X with aluminum body/cover.
  • Internal ground screw standard
  • Smooth, rounded integral bushing in each hub type box protects conductor insulation
  • GRTS has optional factory-installed drain and terminal blocks (10 AWG capacity)
  • GRTS Series is ideally suited for stanchion mounting lighting applications
  • Used with threaded metal conduit for general purpose wiring
  • Function as sealing fittings when used with sealing covers. See local electrical codes for restrictions

Specifications

NEC/CEC Certifications and Compliances
GR/GRF: Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III; NEMA 3, 4, 4X; Class 1, Zone 1 and 2, IIA, IIB
NEC/CEC Certifications and Compliances
GRTS: Class I, Division 1 and 2, Groups B, C, D; Class II, Division 1 and 2, Groups E, F, G; Class III; NEMA 3, 4, 4X; Class 1, Zone 1 and 2, IIA, IIB, IP66 (without drain)
Temperature Ranges
GR/GRF: Ambient temperature range -25 °C to +40 °C.
Temperature Ranges
GRTS: Ambient temperature range without drain -40 °C to +60 °C (with drain -25 °C to +40 °C).
Standard Materials and Finishes
Ductile iron body with triple-coat finish (1) zinc electroplate, (2) chromate, and (3) epoxy powder coat; copperfree (4/10 of 1% max.) aluminum body and cover with epoxy powder coat
Options
GR and GRF: Ductile iron body and cover and the conduit outlet box without a cover is available. GRTS: factory installed drain and terminal blocks.

Documents & Drawings