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Type: Posts; User: Bill B

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  1. Replies
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    I know what's wrong with the picture; he wrapped...

    I know what's wrong with the picture; he wrapped the wire backward around the drywall screw.
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    300 volts!!!! That's a tough one. Residential...

    300 volts!!!! That's a tough one. Residential power in the US is usually limited to 120 volts to ground. If you got more it was from either the utility transformer primary, or from some step up...
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    Actually, the flex whip to an outdoor compressor...

    Actually, the flex whip to an outdoor compressor is considered a wet location. Type NM-B is prohibited in wet locations. In certain applications Type UF-B would be OK.

    As you say THWN-2 would be a...
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    Connections deteriorate. We are all very...

    Connections deteriorate. We are all very accustomed to cars having a finite lifespan. We expect other equipment to last forever, it won't. I look at the soldered Westinghouse wrap developed by Nicola...
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    NEC is jammed full of hard and fast rules with...

    NEC is jammed full of hard and fast rules with exceptions. Under some circumstances, phasing tape can be used for re identifying white as ungrounded.
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    Typically, outdoor units run on 240 volts. The...

    Typically, outdoor units run on 240 volts. The electrician should use black, red, and green or bare. If it happens to be a manufactured cable of black, white, bare, he should re identify the white...
  7. Thread: Introduction

    by Bill B
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    Thank you, I hoped that would be the case. My...

    Thank you, I hoped that would be the case. My friend is OCD and feels 24 hours vacuum is minimum before connecting a micron gauge. I see separation in AC systems of up to 20 feet, but wondered if...
  8. Thread: Introduction

    by Bill B
    Replies
    15
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    2,421

    Manufacturer doesn't mention the subject.

    Manufacturer doesn't mention the subject.
  9. Thread: Introduction

    by Bill B
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    2,421

    My pressing question is about oil. We are doing a...

    My pressing question is about oil. We are doing a new building 8500 square feet. It will be heated primarily with 9 mini splits, eight 1.5 ton singles, and one 2 ton. We have installed the simpler...
  10. Thread: Introduction

    by Bill B
    Replies
    15
    Views
    2,421

    Introduction

    Hello, I'm a lifelong electrician/contractor. I started for my father 47 years ago at age 13. Now I'm the "Old Man. Over the many years we/I have worked with a master of refrigeration. My friend of...
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