Quality Electric Supply has been serving the electrical supply needs across the Caribbean and beyond for 25 years. Named 2011 St. Croix Chamber of Commerce Business of the Year, QES has added Solar PV inverters, PV wire, combiner boxes and rack systems to its 17,000 line items of inventory in its 22,500 square foot showroom and warehouse on St. Croix - including wire, conduit, cable, tools, fittings, lighting, bulbs/LEDs, fans, meters, transformers, breakers, load centers, disconnects, relays, sensors, VFDs, commercial generators, paralleling gear, transfer switches, inverter/VRF HVAC and heat pump water heaters. QES ships to the USVI, BVI and beyond.

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Allied Tube & Conduit
Electrical Rigid & EMT Conduit

AMPROBE
Metering
Calibration

APC
Power Supplies
UPS
Line Conditioners

ASP
Solar Panels
Inverters
Rack Systems

Carlon
Prime Conduit

Carmanah
Solar LED 
Streetlights
Off-Grid Lighting

Cooper B-Line
Cable Tray
Slotted Angle
Grating

Cooper Crouse-Hinds
Fittings
Lighting
Plugs & Receptacles
Switch Racks
Myers Hub
Solar PV Combiner Boxes

Cummins Power Generation
Generators (Diesel, Propane, Natural Gas)
Paralleling Gear
Transfer Switches

DITEK
Surge Suppressors

Diversified Products
Phase/Voltage Monitors
Phase Sequence Monitors
Current Monitors
Time Delay Relays

Erico / Cadweld
Grounding
Bonding

Fluke
Metering
Calibration 

Hoffman
Industrial Enclosures

Honda
Portable Generators

Ideal Industries
Wire Nuts
Tools

Klein Tools
Screwdrivers
Pliers
Wire Cutters/Strippers
Hacksaws

Leviton
Commercial
Industrial
Hospital Wiring Devices

 

Lithonia Lighting
Commercial
Industrial
Clean Rooms
Landscaping
Outdoor Fixtures
Pole and Lighting Converters

Lutron
Lighting Controls for Residential & Commercial 

MicroPlanet
Voltage Optimization
Voltage Regulator

Minnesota Mining & Mfg. (3M)
Terminations
Splice kits
Cold & Heat Shrink

Mitsubishi Electric
High efficiency Residential HVAC
High efficiency Commercial HVAC
Dedicated Outdoor Air Systems
Energy Recovery Ventilators

Pass & Seymour Legrand
Wiring Devices

Pelco
Video & Security Equipment
Video Management Software
Video Transmission & Power

Phillips
Lighting


SATCO
Bulbs
LEDs
Circular Lamps
U-Bend Lamps
Linear Lamps


Schneider Electric
Grid Tie Inverters
Battery Based Inverters
Charge Controllers
Industrial Control
Machine Safety
Motor Control Centers
PLCs
Sensors
Variable Frequency Drives
TAC Building Management Systems
TAC Security Management Systems

Solar Edge
DC Optimizers
Grid Tie Inverters

Solectria
Grid Tie Inverters
Solar PV Inverters
Monitoring Systems
String Combiners

Square D
Load Centers
Circuit Breakers
Safety Switches
Transformers
Medium & High Voltage Equipment

Thomas & Betts
PVC Fittings
Boxes

Uni-Rac
PV Racking Solutions 

USI Green Energy
Heat Pump Water Heaters
Heat Pump Water Heaters Retrofits 


 

AC Disconnects

A/C Units

Aerosols

Air Conditioning Equipment

Anchoring Devices

Automation Systems

Ballasts

Batteries

Boxes

Cable (Automation, Control, Power)

Cable Tray

Circuit Breakers (Miniature, Molded Case, Medium Voltage)

Condulets

Conduit (Rigid Galvanized, EMT, PVC, PVC-Coated, Sealtite/Anaconda)

Connectors, Lugs & Terminals

Contactors

Dedicated Outdoor Air Systems

Dimmers

Enclosures of all NEMA ratings & sizes

Energy Recovery Ventilators

Engineering Services

Exothermic Connections

Fans

Fasteners

Fittings

Floor Boxes / Systems

Fuses & Fuse Blocks

Generators—Cummins and Honda

Ground Fault Devices

Grounding

Inverters (photovoltaic and wind)

Insulators

Lamps

Lighting / Lighting Controls

Lightning Equipment

Limit Switches

Load Breaks

Load Centers

Medium Voltage Equipment

Motor Control Centers

Myers Hubs

Network Protectors

Overload Relays

Panel Boards

Programmable Logic Controllers (PLCs)

Pipe Stripes

Pneumatic Components

Poles (Lighting & Power)

Power Supplies

Project Management

PVC Conduit & Fittings

PVC Coated Conduit & Fittings

Racking Systems (photovoltaic)

Relays

Seal Tight Flex Conduit & Fittings

Selector Switches

Sensors (Occupancy, Proximity)

Solar Balance of System Components

Solar PV & Wind Turbine Inverters

Solar PV Panels

Solar PV Racking Systems

Straps

Splicing Kits

Substations

Surge Protectors

Switchgear

Tapes

Terminal Blocks

Testing Equipment

Timers

Tools

Trans Closures

Transfer Switches

Transformers

Ty-wraps (cable ties)

Uninterruptable Power Supply (UPS)

Variable Frequency Drives (VFDs)

Voltage Regulation

Voltage Optimizers

Wall Plate Covers

Weather Proof Boxes & Plates

Wiring Devices

Wire

Wire Markers

Wire Nuts

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