cleanroom electrical package

Pre-Engineered “Twist-Lock” Modular Wiring System

Simplex’s “Twist-Lock” modular electrical package outfits any SIS-797, SIS-212 or AirLock enclosure with everything needed for quick utilization after install. Unlike traditional hard wiring methods which require extensive involvement from electricians, Simplex’s “Twist-Lock” pre-engineered package can be quickly and easily locked together by installers—requiring an electrician only for the final service connection.

Pre-engineered “Twist-Lock” electrical wiring is available for components such as lights, HEPA filters and electrical outlets. All switches, outlet boxes, and wiring fit neatly into Simplex’s standard framing system for a clean, professional look. All wiring is brought to a convenient distribution box atop the enclosure where an electrician can finish the installation by connecting the single point connection to a power source.

cleanroom electrical package connector
enclosure electrical package connector

Why "Twist-Lock"?

“Twist-Lock” connectors inherently offer more reliable connections than other modular connectors, and the simple connection technology helps eliminate installation errors.

Key Features & Benefits

Custom Design

The package is designed to meet the specific requirements of the enclosure’s application. Features such as equipment placement and counter heights are accommodated for. 


With pre-wired fixtures, the “Twist-Lock” modular electric package can be reconfigured and reused in the future if a change to the enclosure design is required.

Lower Overall Cost

Simplex’s modular electrical package does not require extensive labor and involvement from electricians like traditional hard wiring does. An electrician is only needed to connect a power source to the distribution box.

Faster Installation

The “Twist-Lock” electrical package locks together quickly and can be installed while the enclosure is still being assembled.


All components are factory tested and comply with UL 183 and the National Electrical Code (NEC) 604.


All wiring is 20 AMP / 125V, hard service, thermoplastic and weather resistant.

Standard Electrical Components

Light Fixtures

Type Size
Fluorescent Light with Recessed Troffer 2’ x 2’
Fluorescent Light with Recessed Troffer 2’ x 4’
LED Light 2’ x 4’
Teardrop Fluorescent Lamp 2’ x 4’
Flo-Thru Fluorescent Troffer 2’ x 4’
*Additional sizes and light options available.

HEPA Filters

Type Size
Envirco® MAC 10 Fan Filter 2’ x 2’
Envirco® MAC 10 Fan Filter 2’ x 4’
*Additional sizes and HEPA filter options available.


20 AMP / 120V Duplex
*Additional outlet or voltage options available. Equipment placement, counter heights and voltage requirements are taken into consideration and accommodated for when designing outlet placement. Outlets can be installed on any standard Simplex frame and at any height of the frame to ensure practical functionality. 


Type Size
Decora® Single Switch Decora® Double Switch
*Additional switch options available. Switches can control up to 5 HEPA filters or up to 16 light fixtures. Contactors can be installed to accommodate multiple circuits per switch.  HEPA filter switch connection: Because positive pressure should be maintained in most rooms, some HEPA filters must remain on at all times. Rather than allowing them to be inadvertently powered off by the flick of a switch, Simplex generally advises they be hardwired to a circuit breaker.

Custom Electrical Components

3-Way Modular Switching

Ideal for larger cleanrooms, Simplex can configure the system to include switches for multiple points of entry.