# Fuses (except safety fuses Division 1.4S) — Postal shipping restrictions by item category

For Fuses (except safety fuses Division 1.4S), carrier is USPS; restriction type is prohibited; scope is all mail; conditions is All types of fuses except permitted safety fuses are prohibited from mailing, recorded from its source on 2026-08-04.

- **Item category:** Fuses (except safety fuses Division 1.4S) _(unconfirmed — we could not tie this to the quote below)_
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** prohibited _(our reading, not quoted from the source)_
- **Scope:** all mail _(our reading, not quoted from the source)_
- **Conditions:** All types of fuses except permitted safety fuses are prohibited from mailing

## What the source says

> All types of fuses (except safety fuses as permitted under 341.22 ) are prohibited from mailing.

## Source

- https://pe.usps.com/text/pub52/pub52c3_020.htm

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).