Orbit NEMA 3R Screw Cover Enclosure No KO 18x18x8 18188RNK

Product Overview

The Orbit 18188RNK is a NEMA 3R screw-cover electrical enclosure sized 18 in W × 18 in H × 8 in D and finished in gray. It is intended for outdoor-rated junction, pull, and control wiring where a no-knockout (No KO) body is required.

This SKU is a single-variant enclosure with a screw-cover door and wall/surface mounting configuration for commercial, industrial, and maintenance applications.

Key Features

• NEMA 3R outdoor location rating
• No knockouts (No KO) body—factory without conduit knockouts
• Screw-cover door design
• Dimensions: 18 in W × 18 in H × 8 in D
• Gray finish
• Mounting: wall or surface mount

What this enclosure is for

The Orbit 18188RNK provides an outdoor-rated, screw-cover enclosure for protecting electrical junctions, pull points, controls, and service wiring. The NEMA 3R rating indicates suitability for outdoor use where protection against rain, sleet, and external ice formation is required.

• Intended for junction, pull box, control wiring, and service wiring applications
• Appropriate for commercial, industrial, and facility maintenance projects

Size and mounting

Confirm the physical footprint and mounting method before installation. This SKU's fixed external dimensions and wall/surface mounting approach help determine clearances and placement.

• External dimensions: 18 in (W) × 18 in (H) × 8 in (D)
• Mounting type: wall or surface mount

Construction details and features

The enclosure ships with a screw-cover door and a gray finish. It is supplied without any factory knockouts (No KO), so conduit entries must be field-drilled or otherwise prepared to meet job requirements.

• Screw cover door style for secure closure
• No factory knockouts (No KO) — conduit entry provisions are not pre-punched
• Gray finish

Typical applications

Use this enclosure where an outdoor-rated, blank enclosure is needed for new construction, service upgrades, or maintenance routing of control and junction wiring.

• Electrical rooms and outdoor service areas
• Junction and pull box installations
• Control wiring enclosures
• Facility maintenance and service upgrades

Before You Order

Confirm the model number and required quantity before ordering. Verify that a no-knockout enclosure fits your conduit layout and site requirements; this enclosure does not include factory knockouts. Ensure compliance with local electrical codes and use a licensed electrician for field wiring and final mounting.

• Confirm enclosure size (18 × 18 × 8 in) and gray finish meet project needs
• Plan for field conduit entry preparation when using No KO enclosures
• Verify NEMA 3R rating is acceptable for the intended outdoor location
• Use a licensed electrician for installation and final connections

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Orbit NEMA 3R Screw Cover Enclosure No KO 18x18x8 18188RNK. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.