Do you need quality electrical supplies? Call Keith, Jim , or Jeff (619) 442-9622
2nd & Main Street, 1280 East Main Street, El Cajon, CA 92021

To reach Rob or Linda in Tri Supply Industrial & Tooling ,

Please call  619-202-4435
​ or Email them at, 

Tri Supply Electric  has moved the inventory to the CED Santee,
8406 North Magnolia Ave Suite H  619-562-3004
Please tell them Tri Supply sent you. Ask for Keith Volz ( K2)
Thanks for your 45 years of support. .


TRI SUPPLY - RESIDENTIAL & COMMERCIAL ELECTRICAL SUPPLIES

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TRI SUPPLY STOCKS CUTLER HAMMER PANELS IN SINGLE PHASE AND 3 PHASE

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LIGHTING: LIGHT BULBS, LED TAPE LIGHT, FLUORESCENT BULBS

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CONDUIT & PIPE - ALL THE FITTINGS FOR INDOOR OR OUTDOOR USE

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Do you need quality electrical supplies? Call Keith, Jim , or Jeff (619) 442-9622
2nd & Main Street, 1280 East Main Street, El Cajon, CA 92021

To reach Rob or Linda in Tri Supply Industrial & Tooling ,

Please call  619-202-4435
​ or Email them at, 

Tri Supply Electric  has moved the inventory to the CED Santee,
8406 North Magnolia Ave Suite H  619-562-3004
Please tell them Tri Supply sent you. Ask for Keith Volz ( K2)
Thanks for your 45 years of support. .


TRI SUPPLY - RESIDENTIAL & COMMERCIAL ELECTRICAL SUPPLIES

more

TRI SUPPLY STOCKS CUTLER HAMMER PANELS IN SINGLE PHASE AND 3 PHASE

more

LIGHTING: LIGHT BULBS, LED TAPE LIGHT, FLUORESCENT BULBS

more

CONDUIT & PIPE - ALL THE FITTINGS FOR INDOOR OR OUTDOOR USE

more

Circuit Breakers

Circuit Breakers pictured Cutler Hammer Quad .We also stock Zinsco, Square D, Federal Pacific, General Electric and Pushmatic. In addtion to Cutler Hammer GFI and ARC Fault breakers
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WIRE

TRI SUPPLY Electrical Supplies stock from 14 gauge THHN to 6THHN on 500'spools. We also cut it to length cheaper than the "Big Box'' stores. TRI SUPPLY Electrical Supplies have #4 THHN to 3/0 THHN and cut that by the foot cheaper than the ''Big Box '' stores.
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Wiring Devices

TRI SUPPLY Electrical Supplies stock Bryant/Hubble receptacles and switches. We have single pole, 3 way, 4 way, and stack switches in Ivory, White, Brown and Almond . TRI SUPPLY Electrical Supplies also have a selection of hard to find plates up to 6 gang.
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Conduit & Pipe

Tri Supply stocks PVC, EMT and Rigid metal conduit in 10 foot lengths, 1/2'', 3/4'' , 1'' ,1-1/4'' ,1-1/2'' , 2'' and 3'' diameter. We also have all the fittings and elbows.
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Cutler Hammer Panels

TRI SUPPLY Electrical Supplies stocks Cutler Hammer brand of panels. We have 100 amp and 200 amp meter and main combo's. We also stock sub panels from 2 space to 30 space for indoor and outdoor use. Plus some 3 phase panels and breakers.
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Light Bulbs

Come in and check out our new LED tape light. We stock 2 different wattages and colors. We also have a large stock of fluorescent bulbs from 12'' to 10' in standard and High Output wattages. We also stock H.P.S. , Metal Halide and low pressure soduim lamps.
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