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Thread: Connecting backup generators to existing electrical installation

  1. #31
    Diamond Member AndyD's Avatar
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    Well the lifestyle is completely different in many respects and the electrical industry even more so. This is probably the largest UK electrical forum I'd recommend you do some bedtime reading before taking the plunge.
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  2. #32
    Full Member MullerR's Avatar
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    Quote Originally Posted by AndyD View Post
    Oh goodie, I love load shedding. Servicing my back-up generator has been on my to-do list for a couple of months, it's now at the top of the list.
    What is the correct generators to use for back up as the wholesalers gen sets are not the right ones for back up?

  3. #33
    Diamond Member AndyD's Avatar
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    There's several different types of generator available from wholesalers, many of the smaller units aren't suitable for connection into a DB because of their wiring arrangement. Are you looking to install it into your DB with a changeover switch or just use it with extension leads? What items are you wanting to plug into it?
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  4. #34
    Full Member MullerR's Avatar
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    I am aware of the V-O-V wiring arangement. I want a genny to install it into by db with a changeover. I have the powermaster 5.5kW SRGE6500D genny. The voltages are 220v live to neutral, 110v L-E and 110v N-E which makes is a v-o-v configuration if im correct. I dont want to wire it into my db as it is not safe to do so and to connect the neutral to earth and then to an earthspike im also not 100% sure if thats still 'legal' or preferred? If thats the case, I guess I'll have to use the genny with extention leads to power whichever appliances I need.

  5. #35
    Site Caretaker Dave A's Avatar
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    Quote Originally Posted by MullerR View Post
    The voltages are 220v live to neutral, 110v L-E and 110v N-E which makes is a v-o-v configuration if im correct.
    Even if it isn't a v-o-v configuration, you'll still get those results if the neutral hasn't been bridged to earth yet as the neutral will be floating.

  6. #36
    Full Member MullerR's Avatar
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    Quote Originally Posted by Dave A View Post
    Even if it isn't a v-o-v configuration, you'll still get those results if the neutral hasn't been bridged to earth yet as the neutral will be floating.
    Then how do one determine if it is V-O-V?

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