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Dive into the intricacies of selecting the ideal temporary power solution. From determining needs to budgeting and connections, learn step-by-step guidelines. Explore various product options and configurations, including power stringers, transformers, GFCI protection, and more. Gain insights into NEMA values, voltages, and safety considerations for different distribution scenarios. Discover practical tips for quoting temp power projects effectively for new constructions. Enhance your expertise in NEC regulations and system approaches for temp power and lighting setups. Get ready to excel in the world of temporary power solutions with this comprehensive training session.
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ERICSON UNIVERSITY LIVE TRAINING SESSION: July 2010 TEMP POWER ADVANCED
How to determine the right Temp Power Product Step 1 – Determine the NEED ( Distribute or Transform) Step 2 – Determine the AVAILABLE POWER - Volts Amps Phase Temp Power Step 3 – Determine the EXPECTED ELECTRICAL OUTPUT
How to determine - con’t Step 4 – Determine the CONNECTIONS How will they connect in and out ? Be specific Use NEMA values (ie L5-20) Volts amps phase expected Temp Power Step 5 – Determine the BUDGET
Large Distribution Medium Distribution Small Distribution Common Distribution 480V or 600V Big-E 208 or 240 V Big-E Transform / Distribute / GFCI Protect
Distribute / Split Phases / GFCI Protection Distribute Point to Point Only Cordsets Oscars Gen Cords Big-E Jr Big-E Distribute Multiple Taps Distribute / High Power ( 480 or 600 V ) 480V Big-E “Y” “W” Power Stringers 6000 7000 8000 Series Transform / Distribute / GFCI Protect Distribute with GFCI Protection e-Cart Jr. e-Cart GFCI 1060/1070
eCart Details Transformer Based Converts High voltage to “Tool” voltage 15 kVA for Jr models 30 and 45 kVA are common 480V common in US 600V common in Canada 4 Wheeled frame Combo style enclosure is less $ than traditional panels/pigtails UL listing is near completion
NEMA 1 Panel Indoor Use ONLY Permanent mount new construction No visible GFCI NEMA 1 Boxes Indoor Use ONLY Old Work boxes No receptacle covers Nema 1 Public can touch connections Cable strain relief Can’t pull on connection No cord protection Imagine what’s going on on the ground!!
Metal gang box on end of cordset ! Not Listed or Approved as Temporary Power Tap
Big E Details Distribution Only 480V or 240V or 208V Up to 400 Amps CAMLOK connections Multiple output configurations 2 Wheeled frame Larger Combo style enclosure Large Distribution Use Can’t mix voltages Nema 3R rain enclosure Eyelets for lifting
Side Receptacle Panels Variety of configs Depends on Voltage Mix-n-Match Steel Welded Frame powder coated Wheels and eyes Center Power Panel Input Camloks MCB Circuit Breakers Folding main cover and side rain flaps meets NEMA 3R rainproof
Big E Jr Details Distribution Only 240V or 208V Up to 200 Amps* CAMLOK connections IPDM Module standard Multiple output configurations 2 Wheeled easy moving frame Larger Combo style enclosure Special “Oscar” Feeder unit (6) Oscar/Spider outputs Mid Level Distribution Use Can’t mix voltages Nema 3R rain enclosure Handle style frame
3 and 4 Panel Boxes Multiple configurations IPDM Input Power Diagnostic Monitor 24/7 LED Indication Nema 3R Rain Tested UL Labs have completed testing
NEC Article 520 Theatres…Performance Areas… • 520.62 Temp Power Boxes • No GFCI is required • Overcurrent protection is required • Busbars and Terminals must be the right size and type NEC Article 525 Carnivals…Fairs and Similar Events 525.3 – wherever the requirements of the CODE differ from 525, then 525 applies 525.23 – GFCI only on 15 and 20 amp non-twistlock 125V 525.23 – Egress lighting shall not be GFCI 525.32 – Ground continuity shall be checked each time it is connected
Think System Approach • Large to medium to small • Generation or commercial power • Need cords to connect everything • Need wiring devices to connect cords • Need GFCI to comply and safety • Need cord protection on site
Quoting Temp Power • Details, details, details • Avoid shopping list quotes for similar items • Know the basic “bucket $” for temp power • Specific details can change everything • Get all the info before RFQ • More than 50% of RFQs lack IMPORTANT details to provide a quick accurate quote.
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