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electrical code

  1. jar546

    What is a Health Care Facility according to the NEC?

    First, here is the definition: Health Care Facilities. Buildings, portions of buildings, or mobile enclosures in which human medical, dental, psychiatric, nursing, obstetrical, or surgical care are provided. [99:3.3.67] Now here is what that means: The term health care facility should not be...
  2. jar546

    NEC 2020 Question on GFCI Protection

    In the 2020 NEC, Section 210.8(F) introduced GFCI protection for equipment in certain areas. Which of the following best describes the specifics of this requirement in relation to HVAC equipment and its applicability to receptacles? A) GFCI protection is only required for HVAC equipment...
  3. jar546

    GFCI Protection Requirements NEC 210.8(D) in the 2023 NFPA 70

    Some big changes for 120/208/240 vac appliances: 210.8 (D) Specific Appliances. GFCI protection shall be provided for the branch circuit or outlet supplying the following appliances rated 150 volts or less to ground and 60 amperes or less, single- or 3-phase: (1) Automotive vacuum machines...
  4. jar546

    Electric Utility Companies Don't Play By The Same Rules

    You can see the difference here as shown on FPL's White Book between the NEC and the POCO
  5. jar546

    NEC 310.3 Changes to Conductor Types in the 2023 NFPA 70

    This section correlates with the UL listing requirements for testing terminations — such as copper-aluminum, revised (CO/ALR) devices, and other connectors — suitable for use with aluminum conductors. The electrical industry has developed AA-8000 series aluminum alloy materials and connectors...
  6. G

    Lighting code for two family inspection?

    Hi all, I'm converting one family to two in Queens NY. My GC said I can't use the pendant lights since they are mostly from China and don't have the green ground wire required. But my architect friend said any UL listed light would be fine. Does anyone know the code? I bought some modern LED...
    • Giginw
    • Thread
    • electrical code light fixture nyc queens two family dwelling unit
    • Replies: 12
    • Forum: Electrical Codes
  7. S

    Where am I required to install light switches?

    I am not an electrician, nor a builder, but rather I am a low-voltage systems designer for an AV installation company. I am being told that there are requirements for light switch placement, but Google is vaguely telling me otherwise. I am revising an electrician's electrical floor plan with the...
    • stevemk
    • Thread
    • electrical code light controls lighting residential
    • Replies: 26
    • Forum: Electrical Codes
  8. A

    Low temperature hydronic baseboard heaters underneath receptacles NEC

    This board a huge help to the general public, thank you to all who take time to respond to questions. I am installing hydronic baseboard heaters underneath receptacles. Does anyone see a problem with this based on; Low 120 degree temperature system, heat generated by water heater and not a...
  9. G

    Two family MUST have PLP (common light and power) panel??

    Hi all, I'm upgrading my very old electric panel to two 200 amp since I'm getting rid of gas and doing everything electrical. I was told by electrician that I MUST have PLP in order to pass the inspection. Even though I don't have any common space that needs electricity. For front yard and...
    • Giginw
    • Thread
    • electrical code electrical inspector electrical panel
    • Replies: 2
    • Forum: Electrical Codes
  10. jar546

    Name the Electrical Violation Photo

    This was discovered after a work without permit was called in by a neighbor. Looking at electrical only, what violation(s) do you see? Cite the NEC code for good measure.
    • jar546
    • Thread
    • conduit electrical code electrical code violation ent nec violation
    • Replies: 14
    • Forum: Electrical Codes
  11. masshole1968

    Buried electrical conduit with un-sleeved 3/4" copper water service... is it legal?

    I had a water pipe burst under my slab so when I opened the floor up to investigate and I found 3/4" pvc electrical conduit buried with my copper flexible 3/4" copper water service and sch. 40 soil pipe. is this a code violation? Also should the 3/4 copper been completely shielded when buried?
  12. B

    Electrical feeder, sizing the neutral

    Question pertains to a 200 amp service (second panel) at another building off a 400 (380) amp meter can at the existing home.There was some discussion among us that an old rule of thumb was that the neutral could be two sizes smaller than the ungrounded conductors for the feeder from a 380 (400)...
  13. jar546

    Why you can't run NM (Romex) to an outside condensing unit

    Simply put, NM cable is not allowed in wet locations and even in conduit outside, it is not allowed. This is nothing new, it has been the code requirement for a very long time. This is how we get there. NEC Article 334 covers NM cable. Type NM, NMS & NMC are part of this. None of them are...
    • jar546
    • Thread
    • code violation electrical code nec nm cable nm cable in conduit romex violation
    • Replies: 1
    • Forum: Electrical Codes
  14. jar546

    What's wrong with this service disconnect replacement

    In this case the existing meter-base was left in place but the service disconnect was replaced. As you can see by the two photos, the electrician has a violation. (click on photos to enlarge)
  15. jar546

    Oven / Stove Plug NEC/IRC Violation(s)

    How many violations do you see here? What are they? Click on the image for a larger size version.
  16. jar546

    NEC 110.26 We need more room.

    I am wondering just how long ago this electrical room was built that it was (probably?) code compliant at the time. You are looking at an average of about 24-30 inch clearance. Note to architects and engineers: Please make sure that you know the size of the equipment that is going to be...
    • jar546
    • Thread
    • electrical code electrical room nec 110.26 working space
    • Replies: 1
    • Forum: Electrical Codes
  17. jar546

    How to Tie into Knob and Tube Wiring

    Just use the KnT Delta connection as shown.. Just kidding of course. This is an unsafe violation of the National Electrical Code
  18. jar546

    Re-Use old AC Disconnect

    If you are called to inspect an AC replacement and you find the following, what how would you handle it? From the main panel to the disconnect was not changed, only the non-metallic liquidtight and condensing unit was changed. Feeding the disconnect is #8awg THWN copper in EMT. The old...
  19. jar546

    200A Combo Meter for Service with Sub-Panel in Garage

    So here we go. Hopefully we will all learn something or at least refresh our memories with this situation. Let's start with this. Below is the photo of a combo 120/240v, 200A meter and disconnect that will be mounted on a single-family residence. Let's say this gets fed from above with 4/0...
    • jar546
    • Thread
    • combo meter electrical code irc nec residential electric sub panel sub-feed
    • Replies: 5
    • Forum: Electrical Codes
  20. jar546

    Would You Pass This? Electrical Question 1 Sept. 2018

    OK, it really does not matter if you are on the 1999 NEC or 2017, so no need to specify. You are called for a final electrical inspection of an office building. It is time to inspect the emergency lighting system. The electrician proudly shows you how he put the emergency lighting on its own...
    • jar546
    • Thread
    • commercial electrical electrical code emergency lighting nec
    • Replies: 12
    • Forum: Electrical Codes
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