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  1. D

    Timer Switch for Swimming Pool pump..

    Hello, I am going abroad to stay at a friends house. He would like a 24 hour timer incorporating into the wiring to control the swimming pool pump. At the moment the mains electricity is fed from a circuit breaker in the house to a secondary fused unit housed next to the pump. Unfortunately...
  2. 10linepoet

    Testing Transformers

    We are installing a 300 kVA transformer, 3 wire 3 ph 520 V/345 A in with 4 wire 3ph 440 V/394 A out. Does anyone know if there any significant tests required or things to be aware of (pitfalls) when testing this type of equipment? We propose to undertake an Insulation Resistance test of the...
  3. J

    working out loading of transformers

    please could anyone help me with this simple question.Just wanted to know how i can convert my transformer rating to amps,as i want to know how many low voltage lamps i can put on a circuit.Its only e.l.v halogen lamps.The rating is 20-60va:confused:

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