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— WHAT WE SUPPLY

Electrical Rough-In Materials

From Underground to the Walls

PennField Distribution focuses on commonly purchased electrical construction and rough-in products for projects throughout California.

Electrical Rough-In Materials — From Underground to the Walls

PennField Distribution focuses on the materials contractors use during the electrical construction and rough-in phases of a project. We intentionally concentrate on commonly purchased construction products rather than trying to be everything to everyone.
— EXTERIOR, UNDERGROUND & SERVICE MATERIALS

Exterior, Underground & Service Materials

Underground Conduit & Raceway

Schedule 40 PVC conduit; Schedule 80 PVC conduit; EMT; IMC; rigid galvanized conduit; flexible metallic conduit; liquidtight flexible conduit; ENT; PVC sweeps; long-radius sweeps; elbows; couplings; adapters; expansion fittings; repair fittings; conduit nipples; bushings; grounding bushings; locknuts; bell ends; male and female adapters; PVC conduit cement and primer

Underground & Exterior Boxes

Electrical pull boxes; concrete pull boxes; polymer concrete boxes; traffic-rated boxes; handholes; underground splice boxes; junction boxes; weatherproof boxes; Bell boxes; NEMA-rated enclosures; exterior equipment enclosures; box extensions; covers; traffic-rated lids

Electrical Service & Distribution Equipment

Meter-main combinations; meter sockets; meter pedestals; main service panels; load centers; panelboards; main breakers; branch breakers; disconnect switches; safety switches; fused disconnects; non-fused disconnects; AC disconnects; service-entrance equipment; switchgear; distribution equipment; equipment enclosures; breaker accessories; ground bars; neutral bars

Wire & Cable

THHN / THWN-2 copper conductors; XHHW-2 conductors; copper building wire; aluminum building wire; SER; SEU; URD; USE; MC cable; armored cable; NM-B / Romex; UF-B; bare copper grounding conductor; low-voltage cable; CAT5e; CAT6; coaxial cable; control cable; tray cable; portable cord; specialty construction cable

Wire Pulling & Underground Accessories

Mule tape; pull rope; pull line; fish tape; pulling lubricant; cable pulling grips; warning tape; underground electrical marking tape; detectable marking tape; duct plugs; cable-identification products

Grounding & Bonding

Copper ground rods; ground rod clamps; acorn clamps; grounding bushings; grounding electrodes; grounding conductors; bonding jumpers; mechanical grounding connectors; compression grounding connectors; ground bars; grounding lugs; split-bolt connectors; bonding fittings
Wire and conductor sizes are available from common branch-circuit sizes through large service and feeder conductors, depending upon manufacturer, project specifications and availability.
— INTERIOR ELECTRICAL ROUGH-IN MATERIALS

Interior Electrical Rough-In Materials

Boxes

Plastic single-gang boxes; double-gang boxes; multi-gang boxes; metal device boxes; 4-inch square boxes; 4-11/16-inch square boxes; octagon boxes; ceiling boxes; fan-rated ceiling boxes; junction boxes; handy boxes; masonry boxes; floor boxes; adjustable boxes; old-work boxes; new-work boxes; box extensions; mud rings; plaster rings; blank covers; junction-box covers

Wiring Devices

Standard receptacles; duplex receptacles; tamper-resistant receptacles; commercial-grade receptacles; GFCI receptacles; weather-resistant GFCIs; AFCI protection devices; combination AFCI/GFCI devices; single-pole switches; 3-way switches; 4-way switches; Decora-style switches; dimmers; occupancy sensors; vacancy sensors; USB receptacles; specialty receptacles; weatherproof receptacles

Branch Circuit Cable & Conductors

14/2 NM-B; 14/3 NM-B; 12/2 NM-B; 12/3 NM-B; 10/2 NM-B; 10/3 NM-B; 8/2 and 8/3 cable where applicable; 6/2 and 6/3 cable where applicable; THHN / THWN conductors; MC cable; flexible-conduit conductors; equipment grounding conductors

Conduit & Raceway

1/2-inch EMT; 3/4-inch EMT; 1-inch EMT; larger EMT sizes; PVC conduit; flexible metallic conduit; liquidtight conduit; raceway; wireway; surface raceway; strut channel

Conduit Fittings

EMT set-screw connectors; EMT set-screw couplings; compression connectors; compression couplings; rigid connectors; flexible-conduit connectors; liquidtight connectors; MC connectors; Romex connectors; conduit bodies; LB, LL, LR, C and T conduit bodies; nipples; bushings; locknuts; grounding bushings; reducing washers

Fasteners & Supports

NM cable staples; insulated staples; EMT one-hole straps; EMT two-hole straps; conduit clamps; beam clamps; strut clamps; strut channel; threaded rod; rod couplings; anchors; concrete anchors; wood screws; self-tapping screws; nuts; bolts; washers; cable ties; cable supports; J-hooks; nail plates; protective stud plates; box support brackets; bar hangers

Splicing & Connection Materials

Wire nuts; push-in wire connectors; lever connectors; mechanical lugs; compression lugs; split-bolt connectors; butt splices; terminal blocks; grounding connectors; electrical tape; heat-shrink products; cable-identification labels

Panels & Circuit Protection

Residential load centers; commercial panelboards; main circuit breakers; branch circuit breakers; standard breakers; GFCI breakers; AFCI breakers; dual-function AFCI/GFCI breakers; two-pole breakers; equipment disconnects; surge protective devices; panel accessories

The Small Rough-In Components Matter.

A typical project may require hundreds or thousands of fittings, straps, fasteners, connectors and supports, so competitive pricing on these items can make a meaningful difference in the total material package.
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— READY TO PRICE YOUR MATERIAL PACKAGE?

Let PennField Quote Your Electrical Rough-In Materials.

No quote fee. No obligation to purchase. Please allow 24–48 hours for a response to your quote request.
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Pennfield
Consulting Group
PFCG Inc. is a California project-management firm that coordinates California-licensed architects and professional engineers — retained as partners or subcontractors — to deliver complete, permit-ready construction document packages under a single master agreement.
© 2026 PennField Consulting Group, Inc. All rights reserved.
* Production cost and schedule figures reflect PennField's internal benchmarks against mid-to-large firms and vary by project. Nothing on this page is an offer to sell or a solicitation to buy securities, tax advice, or legal advice. Program eligibility, incentive availability, and bond / credit allocations are subject to agency approval and applicable law.