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William Marino
 Where in the NEC is it clearly stated how many extension rings can be added to an existing box.  I've looked for this in article 314 but cannot find it clearly defined. I know that past practice is not to use more than one extension box.  I've recently encountered some newer installations that have two and three extension rings
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Quincy Carter
What is the best study guide(s) for the 2014 Journeyman electrical exam for the state of Louisiana?
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Michael McPhail
Based on 4.19 in NFPA 20 I can use a regulating valve on a diesel pump. If that is true, can that valve be used to meet the intent of NFPA 20 section 4.7 and NFPA 13/14/15 pressure requirements of downstream equipment, Based on 4.19 in NFPA 20 I can use a regulating valve on a diesel pump. If that is true, can that valve be used to meet the intent
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Kristin Bigda
Wow, we are already three weeks into 2018, and believe it or not, already into the 2021 code development cycle for NFPA 1. (More details on 2021 below). In the meantime, there is a lot to be shared about the newest edition of NFPA 1 (2018) that was released last fall. This post from December provided an overview of what I thought to be the key
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Sean Ryan
New Certification from NFPA   The NEW NFPA Certified Life Safety Specialist - Health Care Facility Manager (CLSS-HCFM) is a professional credential for health care facility managers. The program is designed to highlight a facility managers' knowledge of the many life safety challenges within a health care environment and how to keep their
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