Control Panel Wire Numbering Standard
Remember standards are only recommendations.
Control panel wire numbering standard. But applies to switchgear controlgear only. 10 reference regulations and standards p. If the the two ends of wire on two different drawing for example drawing 01 terminal 01 and another end on drawing 02 terminal 02 could we label one end as 01 01 and another end as 02 02 on the drawing it will show 01 01 linked with 02 02. The base standard for machinery wiring is en 60204.
To ensure proper connections of wires devices as well as terminals through which they are routed are. 1 2 7 a general electrical hazard sign shall be suitably fixed to all electrical. The line voltage coming into the control panel is 120vac 1phase. 7 protection of low power signals p.
I have seen it done both ways. Unless you are forced by customer requirements best to go with what works for you. If the panel is a control panel for machinery. Apr 21 2007 1 i build about 1 2 control panels a year so i don t know what the standard scheme of number wiring is.
Is it best to. 1 2 5 all wiring shall be numbered which shall correspond to the wiring diagram. Depends on which country you are in or selling to. 1 2 6 numbers must be attached so that numbers read left to right and bottom to top.
It is important that electrical devices in a circuit are connected accurately through wires with proper voltages and polarity. Is it common practice to wire the hot and neutral lines thru the disconnect or just the hot line. Control panel wire numbering. One guy told me that we must use same label for two ends of a wire.
Id the same wire with the same label on each. 1 panel design in accordance with emc rules p. En 60204 1 safety of machinery electrical requirements of machines sets out both the required safety standards and the type and colour of cable that should be used for wiring an electrical enclosure. This is why we recommend that a risk analysis be carried out.
Hi guys a question about how to label a wire in control panel. The wiring colour recomendations in it are limited. 9 layout of equipment in a panel p. Iet services limited is registered in england registered office savoy place london wc2r 0bl registration number 909719.
Wires and terminal numbering in any electrical control panel there are wires to which various electrical devices are connected. There are various standards for control panel design. Status not open for further replies. Each end of the wire shall be numbered using standard colour coded ferrule markers.
For instance how should the numbering label sequence for the control wiring be handled. Is there a standard for wire numbering convention. Usually covers things such as wire numbering colours etc. Start date apr 21 2007.
11 2 assembly panel wiring p. Various standards have to be observed for the construction of control panels for machinery. The en codes supersede the old british standards for the time being at least and the international standard en 60204 1 specifically governs control panel wire colour codes.