Answer 3–4 simple questions about what you see and we'll identify the brand, series, and whether it's safe — in seconds.
BreakerQuote is an independent marketplace and is not an authorized distributor, dealer, or representative of Square D, Eaton, Siemens, GE, ABB, Cutler-Hammer, or any other manufacturer referenced in this tool. All brand names, trademarks, and logos are the property of their respective owners.
Quick Reference Guide
Visual identification cheat sheet for all major breaker brands
Square D
Schneider Electric · QO / Homeline
→Orange "Visi-Trip" flag pops out when tripped (QO only)
→Raised ridge running length of handle
→"QO" or "HOM" stamped on face
→QO: slimmest residential breaker (1" per pole)
→Homeline: smooth rounded handle, no flag
General Electric (GE)
THQL / THQP / TEY
→Tan / beige handle — unique to GE among US brands
→Slight concave "scoop" on handle for grip
→"THQL" or "GE" stamped on face
→No external trip flag — handle goes to middle when tripped
→GFCI models have yellow or white TEST button
Siemens / Murray / ITE
All physically identical
→Blue or dark blue handle on QP residential series
→"SIEMENS," "MURRAY," or "ITE" molded into handle
→Symmetrical rectangular handle profile
→No trip indicator flag
→Murray = same breaker, sold at big-box stores
Eaton / Cutler-Hammer
BR / CH series
→BR series: light gray / off-white handle
→CH series: darker charcoal gray handle
→"EATON," "CUTLER-HAMMER," or "C-H" on face
→GFCI models have yellow TEST button
→Slightly wider body than Square D or GE
ABB
S200 / DIN-rail · European standard
→Bright red handle on most ABB MCBs
→DIN-rail mounting — clips onto horizontal metal rail
→"ABB" logo visible on every breaker
→Slim 17.5mm European-standard form factor
→Common in machine panels, sub-panels, European installs
Westinghouse
BRK / BR / QB · Now replaced by Eaton
→"WESTINGHOUSE" or "WH" stamped on face or handle
→Dark gray to charcoal-black handle — no color-coded flag
→Stab-on bus connection — same footprint as Eaton BR
→Common in homes built 1950s–1990s
→Eaton BR series is the modern direct replacement
⚠️ FIRE HAZARD
Federal Pacific (FPE)
Stab-Lok · 1950s–1980s · Discontinued
→Panel label: "Stab-Lok" or "Federal Pacific Electric"
→Red handles (2-pole), black/gray (1-pole)
→Two-prong stab-style bus connection
→Breakers sit loosely in bus
→Homes 1950–1990 · Replace entire panel
⚠️ FIRE HAZARD
Zinsco / GTE-Sylvania
1950s–1970s · Discontinued
→Panel label: "ZINSCO" or "GTE-Sylvania"
→Multi-colored handles — red, blue, green, yellow
→Thin, tapered handle shape
→Aluminum bus bars (may show corrosion)
→Breakers may feel loose or wobbly · Replace panel