Number | Name | Date | Kind |
---|---|---|---|
D249883 | Collins | Oct 1987 | |
3748538 | Shekerjian et al. | Jul 1973 |
Number | Date | Country |
---|---|---|
1291809 | Mar 1962 | FRX |
0102826 | Apr 1989 | JPX |
Entry |
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Ground fault circuit interrupter on p. 44 of Electrical Construction & Maintenance '84/'86 Yearbook. |
LEM Modules on p. 161 of Design News 7-18-88. |