第一部分 nec和nfpa的其他规范的协调和配合 三个层面,performance document,installation document 和 supporting document。 Protecting people and property from electrical hazards is a complex issue that, unfortunately, cannot be... 查看原文 The benefits of integrated fire protection and life safety system te...
NEC(NFPA 70E)study materials suggestions? 1 cloonypan Feb 26, 2011 IEEE (electrical) Code Issues Replies 3 Views 64 Feb 27, 2011 JLSeagull Share: Facebook X (Twitter) Reddit Pinterest Tumblr WhatsApp Email Link Log in Your name or email address Password Forgot your password? St...
Step 1:Click here to go to the NFPA’s NEC home page. Step 2:Scroll down the page and clickView the 2011 Edition Online. See this image for help. If you aren’t already logged in (and you likely aren’t at this point), this link will take you to a login or sign-up page. St...
Folks, Does anyone know of a NFPA or NEC code that pertains to an electric heater attached under a laminated desk? Further more a code for portable electric...
The NEC table 310-16 shows minimum wire sizes required for distribution feeders based on amperes, wire insulation temp rating and ambient temp. etc. What wire temperature rating is required for feeding 3-phase elevator drive equipment, via conduit? Can it be 75C rated wire? Are there any more...
Unless the IT equipment space is using the more relaxed wiring rules found in the NEC Article 645 (2002 or later), there is no national code requirement for smoke detectors below the raised floor. NEC 645 or not, install detectors at the point of return and no detectors required above th...