mechanical
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Mechanical Science
just been given this query to do for my level 2330 any help would be much appreciated thanks An electric hoist on the side of a building 45m lifts a quantity of electrical equipment through a vertical distance in 3.5 minutes. The motor rating of the hoist is 189.19w. Calculate the MASS of the...- mpc4000
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- mechanical science
- Replies: 10
- Forum: Electrical Wiring, Theories and Regulations
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Can FP 200 be burried in the wall without RCD???
Hi. We are looking to quote to install domestic heat detectors interconnected to the existing smoke alarms for a social housing provider. Do you think that FP200 could be used to save us installing RCD protection to the circuit as the cable needs to be concealed. Our NIC inspector tells me that...- wetny
- Thread
- cable fp200 mechanical protection rcd wall without
- Replies: 15
- Forum: Electrical Wiring, Theories and Regulations
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Question about non-automatic transfer switch
hi, i want to design non-automatic transfer switch by 2 contactors and push buttons. my question is do i need mechanical between the 2 contactors? or it is enough to work with NO-NC for both contactors. please help me- Sayedahmed
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- canada contactors first mechanical question second switch
- Replies: 8
- Forum: Electrician Talk | All Countries
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T&E in conduit
When running surface mount T&E in offices and shops I have been in the habit of running it in conduit or mini trunking for the added protection. Working along side another spark who asked why I bothered, he just clips direct along walls etc. I realised that I could not remember why I started... -
mechanical protection of garden lighting flex
Evening all, i just would like some clarification on the best practice concerning mechanical protection of garden lighting flex. I have installed swa throughout the system buried 500mm terminating in ip56 box's to be buried underground. The system is connected to a garage ccu with RCD...- richardg
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- flex garden lighting mechanical protection
- Replies: 8
- Forum: Electrical Wiring, Theories and Regulations
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Panel isolators with mechanical interlocks
Hello chaps, i'm hoping that someone can help me out with a question i have about panel isolators. Is it UK legislation that an electrical enclosure should have a mechanical interlock on a door mounted isolator (if fitted) to prevent the door being opened with the power still switch on? If...- paul_c
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- access isolators mechanical panel power
- Replies: 6
- Forum: Electrical Wiring, Theories and Regulations
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ContractorForum: Hello from Spatial Mechanical: Hello all In the Air Conditioning and
ContractorForum: Hello from Spatial Mechanical: Hello all In the Air Conditioning and Ventilation trade...did our first post thi.. http://------/72ABel More... Follow us on Twitter.- Dan
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- hello mechanical pat pat testing
- Replies: 0
- Forum: ElectriciansForums.net News and Updates
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Mechanical protection through joists
where the other measures of 7671 522.6.5 are not used and a cable passes through a joist less than 50mm from the top, the cable must have adequate mechanical protection against nails, etc. Please tell me, does this requirement only apply to the parts of the cable passing through the joist? or...- bureaucrazy
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- joists mechanical protection through
- Replies: 1
- Forum: Electrical Wiring, Theories and Regulations
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Mechanical Protecton Cut-out to Meter
Just read the IEE Wiring Matters mag today, article about what you are/aren't responsible for in an installation where you do Minor Works Cert stuff. It states that you need to check that the DNO head/meter/isolator setup is in good gondition and safe before starting any work on that...- acvc
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- mechanical meter
- Replies: 5
- Forum: Electrical Wiring, Theories and Regulations
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