---
kind: "section"
citation: "46 C.F.R. § 113.25-16"
title: "46"
number: "113.25-16"
heading: "Overcurrent protection."
url: "https://uscodex.org/cfr/46/113.25-16"
---

# §113.25-16. Overcurrent protection.

- (a) Each fuse in a general emergency alarm system must meet the requirements of [part 111](/cfr/46/part111.md), [subpart 111.53](/cfr/46/subpart111.53.md), of this chapter.
- (b) Each overcurrent protection device must cause as wide a differential as possible between the rating of the branch circuit overcurrent protection device and that of the feeder overcurrent protection device.
- (c) The capacity of the feeder overcurrent device must be as near practicable to 200 percent of the load supplied. The capacity of a branch circuit overcurrent device must not be higher than 50 percent of the capacity of the feeder overcurrent device.

## Notes

### Amendments

[CGD 94-108, 61 FR 28289, June 4, 1996]

### Authority

Authority: 46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2.

### Source

Source: CGD 74-125A, 47 FR 15272, Apr. 8, 1982, unless otherwise noted.

### Amendments

[CGD 94-108, 61 FR 28289, June 4, 1996]