ungrounded

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  1. R

    ungrounded 3 phase systems

    hello. looking for advice on working on a 3 ph, 3 wire 480 delta that i believe fits the definition of a corner grounded delta. the title of the thread is appropriate because theres only 3 wires marked for each phase and no neutral going into the customers main disconnect switch which powers a...
  2. A

    GFCI testing at ungrounded receptacles

    I have installed a GFCI breaker the main panel which feeds a circuit that serves two bedrooms. This was done so I could replace all the old non grounded two prong receptacles with standard three prong receptacles. There is no ground in the circuit wiring. My dilemma is, how do I test the GFCI...
  3. J

    Making 10/2 w/o Ground Pole Barn Subpanel Safer

    We have recently purchased a home in TX built in the 1920s, and the wiring is an assortment of multiple wiring events. There aren't any local codes as it is unincorporated land. The events in question are with the overhead wiring to the pole barn subpanel consisting of two 10 gauge solid-core...
  4. J

    Installing Outlet, Switch Combo

    Good day to you. I want to use a large walk-in closet as an office space. There is a light switch in the closet that I would like to replace with an outlet and switch combo. There is no ground inside the box. There is a capped neutral. The breaker is 20 amps. To protect my devices (computer...
  5. H

    ungrounded switched outlet with three 2-wire cables coming into it -- make GFCI

    I'm just a DYI-er here and very new. I have an ungrounded outlet that is completely controlled (it's not half-controlled) by a wall switch. The place I'm in was built in 1957 and this outlet appears to have a jumper wire from neutral to ground. Notice in the attached pics that there are 3...
  6. J

    Voltage on ungrounded PC case, is it normal?

    Hello So my ungrounded PC case have some potential/voltage on it. Of course when i ground the case there's no voltage reading. But my question is -is it normal for an ungrounded PC case to have voltage? I mean PC power supply, should not pass 12V on the case, it should be isolated, right? No...
  7. Megawatt

    Ungrounded receptacles

    I have a customer that has no equipment grounds. The code enforcement will not let you pull a single ground. Any tips on resolving this issue
    • Megawatt
    • Thread
    • ungrounded
    • Replies: 14
    • Forum: USA

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