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Forum: Low Voltage and Limited Energy

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    04-01-07 07:17 PM Go to last post
  1. 18W 12V lamp issue

    I could use a little help. I went to a customer’s today to look into his LV Landscape Lighting. These lights were installed mid February of this...

    Started by 1793 on 05-09-13
    4 Pages
    1 2 3 ... 4
    • Replies: 37
    • Views: 757
    05-19-13 07:55 PM Go to last post
  2. Need information on Florida licensing or county licensing

    Hello I am looking to get Low Voltage License in Florida or at least in Hillsborough county. I understand experience is needed. I have 10...

    Started by wbeard6142 on 05-19-13
    • Replies: 0
    • Views: 69
    05-19-13 07:35 PM Go to last post
  3. Fiberoptic for Beginners?

    Hello, A customer would like for me to run and terminate a 400' line of fiberoptic cable for him in his plant. Is this something that takes months...

    Started by Ravenvalor on 05-01-13
    • Replies: 7
    • Views: 409
    05-17-13 03:32 PM Go to last post
  4. Cat 6E cable certifier.... suggestions?

    i have had it. i just spent sunday evening certifying 100 nodes of 6E with a steam powered JDSU POS. this thing is so slow..... to write to...

    Started by Fulthrotl on 05-06-13
    2 Pages
    1 2
    • Replies: 15
    • Views: 487
    05-17-13 03:03 PM Go to last post
  5. 411.5(C) Listing bare conductors for lower installation height

    I work for an LED lighting manufacturer and am designing a new product. We would like to utilize a track type system for 24 volts Class 2 use and...

    Started by nc5p on 05-17-13
    • Replies: 0
    • Views: 93
    05-17-13 01:32 PM Go to last post
  6. doorbell

    Here's my problem, I replaced a buzzer style door chime with a regular chime because the client hated the sound. Now when the button is pushed the...

    Started by Jan on 05-12-13
    2 Pages
    1 2
    • Replies: 10
    • Views: 321
    05-14-13 06:51 PM Go to last post
  7. Elevator firealarm connections

    So I need some help figuring this out. How do the fire hat, priamary recall, alternate recall, and shunt trip modules get tied into the elevator...

    Started by bgelectric on 05-09-13
    • Replies: 3
    • Views: 173
    05-13-13 05:01 PM Go to last post
  8. Local amendments not uniformly enforced, bother to bid?

    I've recently started bidding new fire alarm work in a city, until recently, we only did contract service work. They have local amendments to the...

    Started by nhfire77 on 04-27-13
    2 Pages
    1 2
    • Replies: 10
    • Views: 503
    05-11-13 11:41 AM Go to last post
  9. Dual Voltage rated LV cable?

    A customertoday askedme what the voltage rating on our landscape cable is. I started saying 30v and he said/questioned 120volts. I said no way, not...

    Started by mark32 on 05-06-13
    • Replies: 8
    • Views: 292
    05-11-13 06:11 AM Go to last post
  10. Elevator shunt trip

    How does this set up work? Elevator guys states I do not need a fused disconnect with aux contacts for shunt trip as there is already a disconnect...

    Started by bgelectric on 05-09-13
    • Replies: 4
    • Views: 215
    05-10-13 02:17 PM Go to last post
  11. What Circuits are Power-Limited Circuits?

    This is my take: Class 1 power limited, Class 2, and Class 3 remote-control and signaling Class 1 power limited, Class 2, and Class 3 that...

    Started by al on 05-09-13
    • Replies: 3
    • Views: 159
    05-09-13 02:16 PM Go to last post
  12. -48 Volt DC wiring In 2" Conduit

    How many #6 DC wires can I fit in a 2" conduit? Do I have to de-rate the conductors in the same fashion I would AC power conductors?

    Started by wjones@tel-eng.com on 05-06-13
    • Replies: 3
    • Views: 220
    05-07-13 09:18 PM Go to last post
  13. CCTV monitor displaying a different input when no motion

    Hi all, first time poster here. I'm working on a CCTV system for a client and I'm running into a request I haven't seen before, and I was hoping...

    Started by StevieJ612 on 05-06-13
    • Replies: 2
    • Views: 173
    05-07-13 07:29 AM Go to last post
  14. Please help me find the Code for bundling wires.

    I am working with a panel builder and I need to find the code or standard that has an issue with bundling 120VAC power for motors (1hp @ 16 A) with...

    Started by burchie on 05-02-13
    • Replies: 7
    • Views: 333
    05-05-13 01:14 PM Go to last post
  15. Add fire alarm, do not connect sprinkler system?

    I cannot find a reason to not add a flow switch in this situation: Existing mercantile single story type II construction. Appears to be built...

    Started by nhfire77 on 05-02-13
    • Replies: 3
    • Views: 305
    05-03-13 11:10 AM Go to last post
  16. Issues with Honeywell manual pull stations

    I caught wind of this recently. http://www.pullstationsafety.com/en-US/Pages/default.aspx

    Started by shamsdebout on 04-29-13
    • Replies: 2
    • Views: 252
    05-02-13 11:33 AM Go to last post
  17. exposed dc bus in low voltage rectifier

    Hello, I am trying to find any USA requirement for exposed vs enclosed dc bus bar. I am inspecting a small rectifier from China that has exposed...

    Started by James Beane on 04-25-13
    • Replies: 0
    • Views: 227
    04-25-13 10:11 AM Go to last post
  18. Network Cabling for Lighting Control Panel

    Hello, first post here, apologies if this is under the wrong subforum or otherwise out of bounds. I am installing datacom cabling for a new...

    Started by low-wattage on 04-17-13
    • Replies: 5
    • Views: 575
    04-18-13 08:27 AM Go to last post
  19. Do Derating conductors for 12vdc apply?

    hi guys i ran 16awg wire for 12vdc led strip for under Cabinet an ect now my question i know with Ac current you have to derate to 70% if you have 8...

    Started by d1reyad on 04-15-13
    2 Pages
    1 2
    • Replies: 12
    • Views: 760
    04-17-13 06:09 PM Go to last post
  20. NEC voltage level between low voltage and std 60 cycle power 120/240

    I'm working on a legislative policy for the state of Nebraska and need the NEC voltage level that separates utility 60 hertz retail power voltages...

    Started by peuler on 04-17-13
    • Replies: 1
    • Views: 269
    04-17-13 03:50 PM Go to last post

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