We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver galvanized steel wall-mount enclosure 18 by 18 by 4 inches with screw cover and self-tapping screws

Wiegmann

Wiegmann SC181804GNK Galvanized Steel Enclosure 18x18x4 16ga

SKU CH-H143-88GNY

Galvanised steel enclosure with screw-on cover, 18×18×4 in, 16 ga, includes self-tapping screws

  • Product typeBus Plugs
  • Main materialHAWA
  • NEMA 1 rated for indoor protection
  • Galvanized steel construction resists corrosion
  • 16 gauge thickness provides structural rigidity
  • Embossed mounting holes simplify wall installation
  • Self-tapping screws included for quick assembly

Galvanized Steel Enclosure 18x18x4

This NEMA 1 rated enclosure is built from 16 gauge galvanized steel with a silver finish. It measures 18 inches high by 18 inches wide by 4 inches deep. The solid cover attaches with plated steel screws and the box includes self-tapping screws for installation. Embossed mounting holes allow for direct wall mounting.

Upgrade from open wiring or non-rated boxes

The jump is worth it when you need a UL Listed and CSA Certified enclosure that meets cULus standards. It provides a secure, grounded housing for circuit breakers and line protection components in indoor environments. The galvanized construction resists corrosion better than untreated steel alternatives. Usable opening depth is 3.88 inches for component clearance.

Limits of NEMA 1 indoor rating

This standard protects against falling dirt and contact with live parts only. It does not protect against water, oil, dust or corrosive agents. The screw-on cover requires tools for access and does not form a gasketed seal. Installers must ensure the mounting surface supports the steel weight and that conduit entries match the enclosure knockouts.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $59.99
Typical for this category: the median of 1,135 items is $54.99.

Specifications

Product
Brand nameWIEGMANN
Product typeBus Plugs
Size & build
Main materialHAWA

Questions about this item

What size mounting holes does the 18x18x4 enclosure use?

The SC181804GNK has embossed mounting holes designed for wall mounting; use the included self-tapping screws to secure it to the surface.

Which step do installers often miss when fitting the cover?

After positioning the solid cover, tighten the plated steel screws evenly to maintain the NEMA 1 seal; skipping the cross-pattern tightening leaves gaps.

Will the galvanized finish need recoating after installation?

The galvanized steel finish is rated for indoor NEMA 1 use and does not require recoating under normal conditions.

More in Breakers & Circuit Protection

Similar items