Harbor Freight prices › Home & Security › Electrical
ARMSTRONGitem 57958
15 Amp, 125V Self-Test GFCI Duplex Outlet
Base price$14.99
Benton Harbor, MI shelf$14.99same shelf price as online 1 more store
Brooklyn Hamilton, NY shelf$14.99same shelf price as online 1 more store
Hasn't budged from $14.99 in 329 days. This price is load-bearing; waiting won't move it.
Price alert
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The numbers
- Today
- $14.99
- Usual price
- $14.99
- 90-day low
- $14.99
- Lowest tracked
- $9.99
- Leviton equivalent
- $19.98
Dec 4, 2025
Prices by store
Harbor Freight prices some items differently by store, and once you pick a store its site shows that store's shelf price. These come from contributors who share their store; the main price above is the base price, the one HF shows before you pick a store.
| Store | Today | Usually |
|---|---|---|
| Benton Harbor, MI store 583, checked Oct 20, 2026 | $14.99 | $14.99 |
| Brooklyn Hamilton, NY store 403, checked Oct 18, 2026 | $14.99 | $14.99 |
Price history
$10$12$14
AugJan ’23JunNovAprSepFebJulDecMay
Best price for anyoneRegular price
Every price change
| When | Price | Why |
|---|---|---|
| Dec 5, 2025 to Oct 29, 2026329 days, checked 3x | $14.99 | Regular price |
| Jun 17, 2022 to Dec 4, 20251267 days, checked 1x | $9.99 | Regular price |
| Jun 5, 2022 to Jun 16, 202212 days, checked 1x | $10.99 | Regular price |
Tracking since Oct 17, 2026. Last checked Oct 22, 2026.