Claims
- 1. A protection device connected between two lines of an AC power line, comprising:
means for introducing a simulated ground fault current between said two lines during a first polarity of said AC power; detection means for detecting said introduced ground fault during said first polarity of said AC power; and response means, responsive to said detection means, for responding to an absence of detection of said introduced ground fault.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority from co-pending U.S. Provisional Application Ser. No. 60/183,273 filed on Feb. 17, 2000, incorporated herein by reference.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60183273 |
Feb 2000 |
US |
Continuations (1)
|
Number |
Date |
Country |
Parent |
09725525 |
Nov 2000 |
US |
Child |
10668654 |
Sep 2003 |
US |