SBC4 Bishops Crook-4

A perennial favorite for street, park and plaza lighting, the SBC4 Bishops Crook-4 luminaire remains popular for several reasons. The downward facing prismatic globe delivers an uninterrupted hemisphere of directed light. It is structurally rugged, hence extremely vandal resistant. It is available in a broad range of lamping options, up to 250 watts in metal halide and high-pressure sodium, thus, making it eminently adaptable to many public lighting applications.

Removable ballast plate for easy maintenance. Hinged refractor door for easy relamping. Mates magnificently with a plain, or, ornamented Bishops Crook pole to impart Renaissance urbanity to any street, plaza, or mall. An optional integral Plumbizer ensures that the luminaire installs plumb.

SBC4 is designed to utilize a wide range of light sources, including LED, high intensity discharge (HID), induction, and others.  These light source families provide high efficiency in lumen output, service life and energy use.

Construction

All components are made from high-strength ASTM 356.1 cast aluminum and heavy gauge spun aluminum. Top casting shall have a cast aluminum captive hinge and (1) solid catch with thumb triggered secondary lock securing the liberty bell spinning which allows quick and easy access to the ballast compartment. Removable ballast plate for easy maintenance. The refractor door shall be a cast aluminum two piece ring set with integrated hinge for easy relamping.

Optical

Injection-molded polycarbonate or acrylic prismatic globe with specular internal reflector. Available in symmetrical and asymmetrical light distribution.

Available in a wide range of lamp choices and wattage ratings including High Intensity Discharge (HID), Incandescent and Induction.

Electrical

Meets UL 1598 for Safety. Luminaire shall have porcelain socket rated for 600V with 4kV pulse and uses a nickel-plated screw shell with spring-loaded center contact and lamp grips. Luminaires shall be prewired and factory tested. The ballast shall be a high power factor, constant wattage autotransformer type. The power factor shall be at least 90%.

Finish

To insure product durability, all exposed metallic surfaces shall be finished with a high performance coating consisting of high gloss Super Durable polyester powder coat paint to be applied utilizing a multistage process that includes phosphate pretreatment, electrostatic powder application, and convection curing. Paint shall be weather, corrosion, abrasion, and UV resistant in compliance with the American Architectural Manufacturers Association’s specification AAMA 2604-05. Color to be specified.

Mounting

Mounts to a 2” NPS nipple using a 2” NPS coupling in top casting of luminaire. One (1) 3/8”-16 UNC stainless steel allen head cup point set screw stops the luminaire from unwanted movement on the 2" NPS nipple. Optional PLZH Plumbizer replaces 2" NPS coupling to ensure luminaire installs plumb.

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