What areas does Tech Energy America serve?

We serve all of Arizona — primary metro coverage in Scottsdale, Phoenix, Mesa, Tempe, Chandler, Gilbert, Glendale, Peoria, and Tucson — and statewide on request. Wholesale shipping is nationwide via freight.

Are you an authorized Square D distributor?

Yes. Tech Energy America is an authorized Square D / Schneider Electric distributor for QO and Homeline load centers, breakers, safety switches, NEMA enclosures, and dry-type transformers. We also distribute JST Power, Priority Wire, Southwire, CME Wire, Allied Tube, and Cantex.

Do you sell wholesale to electrical contractors?

Yes. We provide wholesale pricing on wire, conduit, switchgear, breakers, panelboards, transformers, and fittings to licensed electrical contractors, solar EPCs, and resellers. Open an account by emailing alejandro@techenergyamerica.com or calling (480) 910-0867.

What is the lead time for UL switchgear?

We manufacture UL-listed switchgear in-house in Scottsdale, AZ. Standard 480V/600V assemblies typically ship in 4-8 weeks — significantly faster than out-of-state OEMs that quote 16-26 weeks.

Do you supply EV charging equipment and materials?

Yes. We supply Level 2 240V EV charging equipment plus the conductors, breakers, and load centers for the job — for residential and commercial projects. Installation is coordinated through our Arizona partner network.

Do you provide bilingual English Spanish service?

Yes. Our entire team operates bilingually in EN/ES, including project management, sales, RFQs, and field crews. We also coordinate cross-border with our Tecnergy Mexico operations in Hermosillo.

How fast can I get a project quote?

RFQ-to-quote turnaround is 24-48 business hours for most BOMs. Same-day for stock items at our Scottsdale warehouse.

Distribution Equipment · 12 min read · Published 2026-05-13

Switchgear vs Panelboard — Choosing the Right Distribution Equipment in Arizona

Name: UL Certified Custom Switchgear Assemblies
Brand: Tech Energy America
Availability: InStock
Rating: 5.0 (16 reviews)

The functional and code differences between switchgear, switchboards, and panelboards, how SCCR ratings differ, when each is appropriate, and lead times across Square D / Eaton / Siemens plus TEA's in-house UL fabrication.

Electricians and engineers often use "switchgear," "switchboard," and "panelboard" interchangeably. They aren't the same — each one has a specific NEC and UL definition, a different fault-current rating capability, and a different price point. For a commercial buyer in Phoenix specifying a new distribution lineup, picking the wrong category costs months of lead time and tens of thousands of dollars. This guide walks through the actual differences and when each is the right call.

Quick definitions — UL standards drive everything

Panelboard (UL 67)

A single enclosure with bus bars and branch-circuit overcurrent devices, designed to be flush- or surface-mounted on a wall, accessible only from the front. Maximum 1200A bus per code, but the practical sweet spot is 100–800A. The branch breakers plug into the bus from the front. Front-accessible, single-section, wall-mounted = panelboard.

Switchboard (UL 891)

A larger free-standing assembly with multiple compartments — a main section (with main breaker or main lugs) plus distribution sections. Front-accessible only. Used for service entrance and large feeder distribution, typically 800–4000A. Each distribution section carries fewer but larger overcurrent devices than a panelboard. Free-standing, front-only access, service-entrance capable = switchboard.

Switchgear (UL 1558)

Free-standing, drawout circuit breakers (the breaker rolls out for service while the bus stays energized), front and rear access. Higher SCCR ratings, more rigorous arc-flash containment, used for mission-critical and large commercial / industrial applications. Typical from 1600A to 6000A and up to 600V. Drawout breakers + rear access + UL 1558 listed = switchgear.

The SCCR comparison — where the price gap comes from

Short-Circuit Current Rating is the defining technical difference. Available fault current in modern Phoenix metro commercial services routinely hits 22kA–42kA. The bus must be rated equal to or greater than that.

Type	Standard SCCR	Maximum SCCR	Typical price (800A class)
Panelboard (Square D NQ, Eaton PRL-1)	10kA–25kA	65kA (with series ratings)	$5,000 – $14,000
Switchboard (Square D QED, Eaton Pow-R-Line C)	42kA–65kA	100kA	$22,000 – $45,000
Switchgear (Square D QED-6, Eaton VacClad)	65kA–100kA	200kA	$95,000 – $250,000+

When you actually need switchgear (not just a panelboard)

Available fault current > 65kA — panelboards and most switchboards can't handle it. Switchgear with 100kA SCCR is required.
Mission-critical facilities — data centers, hospitals, water/wastewater. Drawout breakers allow servicing without de-energizing the bus.
Service rating above 1200A — panelboards max at 1200A by code; switchboards and switchgear handle larger.
Arc-flash hazard reduction — NFPA 70E compliance is dramatically easier with switchgear's remote racking and arc-resistant designs.
Industrial motor control — large motor loads (200hp+) with frequent starts benefit from the drawout interrupt rating of switchgear.

When a panelboard is the right call

Commercial tenant subpanels 100–400A — almost always panelboards (Square D NQ/NF, Eaton PRL-1)
Residential and small commercial main service — 200–400A panelboards with main breaker
Branch-circuit distribution downstream of a switchboard — panelboards fed from a switchboard feed
Fast lead times — Square D NQ and Eaton PRL-1 panelboards stock in Scottsdale; switchboards are 4–8 weeks; switchgear is 14–26 weeks

When a switchboard is the right middle-ground

Commercial service entrance at 800A–4000A where panelboard can't handle the SCCR
Multi-tenant commercial buildings with metered sections per tenant
Industrial main distribution below the threshold that justifies switchgear cost
SCCR up to 100kA — handles most Phoenix metro commercial fault currents

Lead times in 2026 — what to plan for

Equipment	Stock (Scottsdale)	Factory order
Square D NQ panelboard 100–400A	Same week	3–4 weeks
Eaton PRL-1 panelboard 400A	1–2 weeks	5–7 weeks
Square D QED-2 switchboard 800–1600A	—	10–14 weeks
Eaton Pow-R-Line C switchboard 800–2000A	—	12–18 weeks
Square D QED-6 switchgear 1600–4000A	—	16–26 weeks
Eaton VacClad-W switchgear 5kV class	—	20–36 weeks
TEA UL-listed switchgear (in-house Scottsdale)	4–10 weeks	—
JST Power transformer + integrated switchboard	Common ratings stocked	10–14 weeks

Our in-house UL fabrication is the biggest schedule lever for commercial projects. We can build a UL 891 switchboard or UL 1558 switchgear from Scottsdale stock in 4–10 weeks for many spec combinations — often 8–16 weeks faster than ordering from the original OEM. See our UL switchgear lead-times guide.

AHJ acceptance across Maricopa County

All three categories (panelboard, switchboard, switchgear) are accepted by every AHJ in Maricopa County for compliant installations. The questions inspectors typically ask:

Is the SCCR labeled and ≥ the available fault current at the point of installation?
Is the arc-flash hazard labeled per NFPA 70E (2024)?
Is the working clearance per NEC 110.26 maintained? Panelboards typically need 3 ft; switchboards and switchgear need 3.5–4 ft depending on voltage and access.
Is the ground fault protection per NEC 230.95 installed for services 1000A+ at 480V?
Is the panelboard / switchboard / switchgear listed by an NRTL (UL, ETL)?

Common scenarios — how we spec the right equipment

Tenant fit-out, 200A subpanel for restaurant

Panelboard, Square D NQ or NF, 200A main breaker, 42-circuit, 22kA SCCR. Stock from Scottsdale, ready to ship.

10,000 sq ft retail building, 1200A service entrance

Switchboard, Square D QED-2 or Eaton Pow-R-Line C, 1200A main breaker, 42kA SCCR, separate tenant metering sections. 10–14 week lead time, or 6–10 weeks if we fabricate the equivalent in-house.

Hospital expansion, 3000A service with critical/normal branches

Switchgear, UL 1558, drawout breakers, 100kA SCCR, arc-resistant front. 18–26 weeks from major OEM, or 10–14 weeks from TEA in-house fabrication.

Solar PV interconnection at 480V service

Depends on existing equipment SCCR. If existing is 42kA panelboard and new available fault current with PV exceeds it, either upgrade to 65kA switchboard or do a supply-side tap with separate PV-rated disconnect. See our PV interconnection guide.

Common questions

Is "switchgear" the same as "switchboard"?

No. Switchboards (UL 891) are front-only with non-drawout breakers. Switchgear (UL 1558) has drawout breakers and rear access. Different listing standards, different price, different application.

Can I retrofit a panelboard to higher SCCR?

Sometimes, with series ratings — but limited. Series ratings tie specific upstream breaker / downstream breaker combinations together, and the published ratings are case-by-case. Often cheaper to replace the panelboard than fight the series-rating math.

Does Tech Energy America carry all three?

Yes. Panelboards stocked from Square D, Eaton, Siemens. Switchboards and switchgear distributed from the same OEMs plus our own UL-listed in-house fabrication for faster lead times.

What about medium-voltage (5kV, 15kV)?

That's a different conversation — medium-voltage switchgear and motor control. JST Power transformers and our distribution partnerships cover most of the AZ utility-scale MV needs. See our distribution lineup.