| 摘要 |
An electrical apparatus has an indicator for indicating a voltage drop across an electrical system. The electrical apparatus includes a core, a sense lead, and an indicator. The core transmits electrical current from a source to a load. The sense lead electrically connects to the core for sensing a voltage drop between a source end and a sink end of the core. The indicator is operably connected to the sense lead and provides an indication when the voltage drop exceeds a predetermined limit.
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