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Forum: Lighting

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    06-04-10 09:51 AM Go to last post
  1. emt codes

    was on a job site today and I noticed in stock room that the 1x4 fluorescent fixtures were hanging by jack chain and the rows were joined by emt from...

    Started by normbac on 05-15-13
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 615
    Today 11:58 AM Go to last post
  2. Troffers/Strips

    I've been a part of this forum for a while, I have my selfish reasons, mostly I want to avoid all the hassle of LinkedIn. Can I ask which brand of...

    Started by TNBaer on 05-16-13
    • Replies: 0
    • Views: 83
    05-16-13 12:30 AM Go to last post
  3. Looking for church light fixtures

    I am bidding a job to replace existing church lighting. Ceilings are about 20 feet, all wood with big wood beams. Existing lights are 20 - cylinder...

    Started by delfadelfa on 05-09-13
    • Replies: 5
    • Views: 266
    05-16-13 12:26 AM Go to last post
  4. Mwbc

    I'm on a job were the existing 277v lighting system controls mostly 2x4 fixtures t8 bulbs,the 3 ckts all share the same nuetral .I thought that when...

    Started by liquidtite on 05-15-13
    • Replies: 7
    • Views: 209
    05-15-13 12:27 PM Go to last post
  5. Lighting Contactor Issue

    We manufacture outdoor light controls. We use the industry standard ANSI C136.10 twist-lock interface. Our product is listed 120-277VAC 1800VA. We...

    Started by mgookin on 05-09-13
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 629
    05-15-13 09:08 AM Go to last post
  6. LED Array

    I want to drive/power 36 3w leds. Any ideas?

    Started by wpatterson on 05-14-13
    • Replies: 1
    • Views: 95
    05-15-13 12:42 AM Go to last post
  7. High Bay 6 Lamp T8 Fixtures

    I am installing these fixtures in a warehouse addition, with the factory installed disconnect inside the fixture are you still installing receptacles...

    Started by KWH on 05-13-13
    • Replies: 4
    • Views: 214
    05-14-13 02:22 PM Go to last post
  8. Shared neutral lighting

    If neutral conductor is shared in a three wire branch lighting cir are Handle ties on the breakers required? What code section

    Started by jkrauss on 04-25-13
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 638
    05-12-13 10:41 AM Go to last post
  9. Aircraft style stainless steel cable support?

    Is it acceptable to wrap aircraft style cable around the opposing right angle pieces on the bottom of a red iron truss for a hanging high bay fixture...

    Started by captainwireman on 05-11-13
    • Replies: 5
    • Views: 225
    05-12-13 01:26 AM Go to last post
  10. emt support light

    I am on a commercial project the plans call for me to hang conduit from a celing jbox to a jbox which is to be used to support a pendant light. I...

    Started by normbac on 05-04-13
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 663
    05-09-13 11:55 PM Go to last post
  11. arcfault in public hallways

    can any one clarify if a public corridor or staircase needs a arcfaults breaker on lighting

    Started by contactm on 05-06-13
    • Replies: 5
    • Views: 262
    05-09-13 05:24 PM Go to last post
  12. Automatic control means

    Is it legal to have an automatic control means such as a motion sensor or passive infra red sensor for electrical equipment general lighting?

    Started by captainwireman on 05-07-13
    • Replies: 9
    • Views: 317
    05-08-13 11:06 PM Go to last post
  13. rope lights

    I have been doing forum search for rope lights, "rope lights", and rope + lights. I get every result containing the word "light," which is not much...

    Started by readydave8 on 05-04-13
    • Replies: 5
    • Views: 331
    05-05-13 06:42 PM Go to last post
  14. 208V motion sensor

    Hello, I see motion sensors rated for 120/277 but none rated 208 or 240. Does 120/277 mean multivolt/every voltage in between 120 and 277? ...

    Started by conmgt on 05-03-13
    • Replies: 3
    • Views: 238
    05-03-13 01:59 PM Go to last post
  15. 14/4 w/ ground - NM cable

    I have a spec that calls for multiple installations of 3 way switches to conform with the 2011 NEC. First, Virginia has not as yet adopted 2011. ...

    Started by donf on 04-29-13
    2 Pages
    1 2
    • Replies: 12
    • Views: 630
    05-03-13 01:34 PM Go to last post
  16. Replacing Mercury Vapour Ballast

    Hello everyone, I have a question. Is it safe to replace mercury vapour ballast with metal halide ballast? My office is still using MV lamp for...

    Started by DavidLuck on 04-21-13
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,007
    05-03-13 01:31 AM Go to last post
  17. Emergency lighting

    Can you wire light fixtures containing emergency ballast through a lighting contactor? The control circuit for the contactor may trip and the lights...

    Started by Sparky009 on 04-14-13
    • Replies: 2
    • Views: 485
    05-02-13 06:21 PM Go to last post
  18. EXIT sign requirement in a 4 unit rowhouse?

    Hi, I apologize if my asking this question is deemed inappropriate, I searched hard in vain to find relevant posts. At issue is the emergency...

    Started by dirtynails on 04-29-13
    • Replies: 6
    • Views: 330
    05-01-13 07:20 AM Go to last post
  19. Chandelier motorized lift

    I’m installing a custom made chandelier 35' in the air, and need a motorized lift for it. The problem is that its 1000-1200lbs. The biggest fixture...

    Started by Canatic on 04-28-13
    • Replies: 4
    • Views: 350
    04-29-13 05:26 PM Go to last post
  20. What is the code requirement for installing High Bay Fluorescent Lighting?

    I would like to know the code requirements for installing High Bay Flourescent lighting. Can you run cord? How far? Does it have to have a plug or...

    Started by Craig Rochat, LC on 01-03-13
    2 Pages
    1 2
    flourescent lights, wiring
    • Replies: 14
    • Views: 1,623
    04-29-13 09:35 AM Go to last post

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