4. Electricity: circuit makers and breakers
  5. Interlocking
  6. Between plural switches

James H. Postlethwait

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Electrical switchboard having improved drawout apparatus

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent

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Insulating-isolating barrier system for electrical distribution

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent

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Safety shield assembly for a drawout-type circuit breaker

Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent

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Switchboard cubicle door hinge and latch arrangement

Supports: cabinet structure – With auxiliary closure in a closure
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Profile ID: LFUS-PAI-P-1068136

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