Plant Engineering articles from November 2003

Plant Engineering archives from November 2003

Process industry automation users dissatisfied with production management strategies.(Forum)
November 1, 2003... Today's automation users--regardless of vendor--are simply not getting the high-quality, in-context information needed to improve performance, make informed business decisions, and effectively manage risks, according to a recent study jointly...

Comment: lazy communications.(Forum)(Letter to the Editor)
November 1, 2003... I read the September column on lazy communications. The topic of email abuses is not new, but this particular subject is one of my pet peeves. I hope that people take notice--especially the vendors. I too tend to delete any email that has an...

Solutions.(Forum)(Brief Article)
November 1, 2003... The proposed Solution shown in "Hello Dolly" in the September 2003 issue of PLANT ENGINEERING has severe limitations. Due to the drum resting on the top section of the pipes, it is not practical to use this dolly as created if you wish to move...

I have found that most manufacturing facilities have some unused static conveyors around.(Forum)(Brief Article)
November 1, 2003... I have found that most manufacturing facilities have some unused static conveyors around, and you can cut out a section large enough to fit your drum, then flip it over, and bolt 3/4-in. plywood to it. You have a dolly with bearings.

Plant engineers, harmonics, and articles.(Forum)(Brief Article)
November 1, 2003... Seldom does it occur that one can hit on two important topics within one issue of a magazine. PLANT ENGINEERING has accomplished this with an article on treating plant engineers with some amount of noticeable attention ("Comment," Oct...

Steel pipe and tubes earn high grade.(Forum)(Brief Article)
November 1, 2003... Every month this column presents a snapshot of the industries that provide key supplies to plant engineers. This issue, we examine a single one in depth: steel pipe and tubes (SIC 3317). This industry gets an A in the "margins grade" column...

Price/cost/demand roundup.(Illustration)
November 1, 2003... Price/cost/demand roundup AVERAGE PRODUCT PRICES (1) CHANGE, %,DURING 12-Mo ENDING... Industry SIC May 03 August 03 ...

That illusive innovation.(Comment)
November 1, 2003... Innovation is one of the key criteria for judging the products that are selected as our 150 Product of the Year Finalists. Each year, our screening judges are asked to evaluate the products submitted primarily on the basis of usefulness in...

Regular out sick: can management pick sub?(Human Side)
November 1, 2003... Was it a virus, or what? Maintenance Supervisor Oscar Coleman had no idea. But whatever the problem, what he did know was that Group Leader Ernie Stollen's absence was causing him problems. [ILLUSTRATION OMITTED] Coleman called Ernie...

Unhappy with new position: can he get his old job back?(Human Side)(Brief Article)
November 1, 2003... Sometimes a promotion leads to misery once a worker realizes what the position truly entails. When Assistant Maintenance Supervisor Sam Lane opted for early retirement, the department was buzzing for days that turned into weeks. Who would...

Don't simply grant leave.(Human Side)(Brief Article)
November 1, 2003... A common mistake managers make as applied to the Family and Medical Leave Act (FMLA), according to HR Matters E Tips, published by Personnel Policy Service, Inc., "is their failure to notify an employee that a leave is specifically covered by...

How much training should she get?(Human Side)(Brief Article)
November 1, 2003... Utility Worker Emma Ryan at 150 lb was big, tough, and ambitious. So when an opening for Merchandise Handler was posted, historically a man's job, she was the first of three candidates to apply. And the only woman. Merchandise Handler was...

Bumping down to a lower-ranking job.(Human Side)(Brief Article)
November 1, 2003... When the economic conditions turn sour, management's first thought turns to shaving the payroll. It was thus no surprise in a New England manufacturing plant when a layoff announcement was posted. Nor was it a surprise to Maintenance...

Ready for action: whose call is it?(Human Side)(Brief Article)
November 1, 2003... When Maintenance Department Welder George Leonard's mitral valve went kerplunk, he suffered a serious heart attack and had to have the valve replaced. A heart valve replacement, especially a mitral valve replacement, is more complicated...

Do right thing, but don't go overboard.(Human Side)(Brief Article)
November 1, 2003... No question about it: The men and women who fight and sacrifice to serve their country deserve every possible consideration when their tour of duty is done. "We aren't doing enough for our returning GI's," Executive Vice President Don...

Review rules periodically.(Human Side)(Brief Article)
November 1, 2003... Senator Byrd, a strict adherer to the rulebook, was once criticized in the press. "He makes the trains run on time, but the cars are all empty." Presumably, work rules in office and plant are set with a clear purpose in mind. But as the...

Measuring overall craft effectiveness how OCE impacts your bottom line.(Management Side)
November 1, 2003... Improving overall craft effectiveness is a key topic we need to address. Getting maximum value from craft labor resources and higher craft productivity require measurement and knowing where you are now. Maintenance operations that continue to...

How one plant survived the blackout.(Plant Electronics)
November 1, 2003... At 3 a.m. on Friday, August 15, Joe Torr knew he was in for a tough day. Arriving long before dawn at Delphi Corp.'s massive Flint East manufacturing complex in Michigan, where he is site facility engineer and energy coordinator, Torr and his...

PLANT ENGINEERING proudly presents the finalists in the 16th annual "Product of the Year" competition. Use the special ballot to vote for the best new products of 2003.(2003 Product of the Year)(Brief Article)
November 1, 2003... They increase your productivity on the job, maximize your efficiency, and make your life less stressful. This month, we present 150 products that impact the way you work--the finalists in our 16th annual "Product of the Year" contest. ...

Maintenance Tools & equipment: tool offers 3-in-1 solution.(2003 Product of the Year)(Brief Article)
November 1, 2003... smartSCANNER is a joystick-operated combination tool for corrective and predictive maintenance tasks. It provides vibration analysis, alignment, and balancing capabilities. The shaft/coupling alignment and rotor balancing systems address two...

Maintenance Tools & equipment: monitor features sensitive detection.(2003 Product of the Year)(Brief Article)
November 1, 2003... Charge-Mode Accelerometer Monitor (CMAM) uses an advanced design for sensitive detection of changes in the vibration spectrum of key equipment and processes, even in harsh, limited-access locations. Monitor is available in multi-input versions...

Maintenance Tools & equipment: scissor lift extends to new heights.(2003 Product of the Year)(Brief Article)
November 1, 2003... Pro-Fit 2630ES scissor lift is a 30-in.-wide, 26-ft platform-height machine with an electric drive system that uses two independent electric motors for the drive wheels. The new drive system provides long duty cycles and low noise levels by...

Maintenance Tools & equipment: analyzer has expanded memory.(2003 Product of the Year)(Brief Article)
November 1, 2003... Model 2130 RBMconsultant PRO data collector/analyzer features the functionality and ease of use of a large color display along with 32 MB of data storage, dual-channel capability, and an intuitive interface. Additional highlights include...

Maintenance Tools & equipment: welding power source works outdoors.(2003 Product of the Year)(Brief Article)
November 1, 2003... Invertec V275-S power source is ideal for the rigors of the construction site and meets IP23S ratings. The Stick and TIG power source is designed for outdoor use. Up to 275 amp of output provides access to a great number of stick electrodes and...

Maintenance Tools & equipment: lifter helps remove grates.(2003 Product of the Year)(Brief Article)
November 1, 2003... Ultra-Grate lifter assists in lifting, removing, and replacing grates from storm drains and catch basins. The heavy-duty unit is ergonomically designed for simple, single-person operation, it disassembles, and comes with a carrying case for...

Maintenance Tools & equipment; tape measure lasts longer.(2003 Product of the Year)(Brief Article)
November 1, 2003... Pro Series tape measures are designed to reduce replacement costs with durable end hooks and long-lasting 1-in. blades. Series includes 12, 16, 25, 30, and 35-ft models as well as comparable metric lengths. End-hook life is enhanced by rivet...

Maintenance Tools & equipment; lubrication routing goes portable.(2003 Product of the Year)(Brief Article)
November 1, 2003... Lube-It Handheld Routes program allows standard Pocket PC computers to deliver simplicity, consistency, and accuracy directly to the job of lubrication. Handheld computer displays lubrication requirements in detail and provides one-touch...

Maintenance Tools & equipment; torque wrench is light.(2003 Product of the Year)(Brief Article)
November 1, 2003... Avanti Series hydraulic torque wrenches are light-weight, corrosion-resistant, and ergonomically designed. Tool placement is improved to 360 deg around the nut. Reaction arms won't pull off during operation. Coaxial reaction/drive system...

Maintenance Tools & equipment; combihammer protects operators.(2003 Product of the Year)(Brief Article)
November 1, 2003... TE 56-ATC combihammer with active torque control provides added operator protection by constantly monitoring the rotation of the tool and disengaging the drive system if it senses the housing beginning to rotate too quickly. Ideal for drilling...

Maintenance Tools & equipment; laser beam helps pinpoint correct placement.(2003 Product of the Year)(Brief Article)
November 1, 2003... PipeAlign is an equipment alignment system that uses a laser beam for visual reference to and from equipment, pipes, ductwork, and conduit flanges by projecting the laser beam from the center of the object. Four fixture sizes accommodate...

Maintenance Tools & equipment; system checks equipment condition.(2003 Product of the Year)(Brief Article)
November 1, 2003... SoundCTRL is a handheld equipment analysis system that provides maintenance personnel with the capability to monitor and evaluate the condition of critical mechanical equipment, limiting unplanned downtime and lost production. System includes a...

Maintenance tools & equipment: online monitor sets vibration limits.(2003 Product of the Year)
November 1, 2003... A3600 online vibration monitoring system measures RMS values and up to 64 vibration channels, sets vibration limits to act as relays if limits are exceeded, and includes overload and sensor or cable error indication. System is designed for...

Maintenance tools & equipment: tape measure provides easily read numbers.(2003 Product of the Year)
November 1, 2003... Double-sided power-return tape measures have easy-to-read numbers on both sides of the blade that allow for easy measurement on elevated and flat surfaces. Additional features include an eye-catching blue case for easy locating in work areas...

Maintenance tools & equipment: tool crimps copper tubing in seconds.(2003 Product of the Year)
November 1, 2003... 320-E crimp tool features a lightweight, compact design, and built-in advanced diagnostics. The tool runs on a 14.4-V nickel-metal hydride battery and uses the interchangeable jaws of the manufacturer's other crimping tools, including nine...

Maintenance tools & equipment: boom is self-leveling.(2003 Product of the Year)
November 1, 2003... TZ-34/20 is a trailer-mounted articulating boom that emphasizes ease of use beginning with its key feature, the automatic leveling system. Standard self-leveling provides 11 deg of leveling capability from the ground controls and allows the...

Maintenance tools & equipment: wrench reduces slipping.(2003 Product of the Year)
November 1, 2003... WrightGrip open-end and combination wrenches employ an innovative, high-strength, antislip design that delivers more torque to fasteners than other designs. The new design incorporates a series of strategically placed teeth or grooves on the...

Maintenance tools & equipment: inverter produces superior arc performance.(2003 Product of the Year)
November 1, 2003... Maxstar 150 DC Stick/TIG inverter is an arc welding machine that weighs only 13.7 lb for field portability. Features include: 5 to 150-A output with best-of-class arc performance, automatic compensation for 115 through 230-V single-phase...

Environment, safety, & health: foam allows for safe installation.(2003 Product of the Year)
November 1, 2003... Chico SpeedSeal is a two-part, high-density foam that expands, then hardens like cement resulting in an inexpensive, safe, explosion-proof seal in electrical conduit and other tubing. It is packaged in an injectable delivery system and replaces...

Environment, safety, & health: deck captures contaminated water in bladder.(2003 Product of the Year)
November 1, 2003... Ultra-DeconDecks are the perfect replacement for decontamination pools, with a patented bladder system that unfurls for additional containment and prevents the responder from contacting contaminated materials. System contains 99 gal of liquid...

Environment, safety, & health: glowing paint clearly marks aisles.(2003 Product of the Year)
November 1, 2003... Fast Glo acrylic safety marking paint is ideal for marking aisle ways, emergency routes, boundaries, and stairways to identify safe passageways in the event of a power outage or failure of backup power systems. The single-component acrylic has...

Environment, safety, & health: goggle uses ventilation system.(2003 Product of the Year)
November 1, 2003... Revolution is a goggle designed specifically to protect against chemical splashes, dust, and impact. Indirect ventilation system is made of intricate paths and channels to keep air flowing and moisture or chemical splashes out. Antifog,...

Environment, safety, & health: power supply filter reduces emissions.(2003 Product of the Year)
November 1, 2003... JuiceCan Precipitator Power Maximizer is a simple, high-voltage dc filter system that can be applied to any electrostatic precipitator to improve collection efficiency. System nearly eliminates ripples from power supply to provide a clean,...

Environment, safety, & health: dike works on small, large spills.(2003 Product of the Year)
November 1, 2003... Spillblocker dike is made of 100% polyurethane and diverts and confines liquid without absorbing it. Easy-to-handle design features two 5-ft dikes with built-in key-stone connectors. Shorter sections can be used separately for small spills or...

Environment, safety, & health; trailer stand adjusts automatically.(2003 Product of the Year)
November 1, 2003... AUTORISER trailer stand prevents spotted trailers from tipping over due to landing gear collapse or failure. The automatic, gas-activated leveling system is activated by stepping on a control pedal. A locking pin secures the position. Height...

Environment, safety, & health; respirator utilizes welding flexibility.(2003 Product of the Year)
November 1, 2003... Speedglas Flex View with Adflo combines a retractable auto-darkening lens with an advanced, powered, air-purifying respirator. Full eye, face, and respiratory protection are provided for both welding and very low-light weld preparation...

Environment, safety, & health; filters eliminate oil mist.(2003 Product of the Year)
November 1, 2003... NOM filters are designed to capture and control oil mist, stop dangerous, slippery floors, and protect sensitive equipment. The high-filtration, self-cleaning filters are easily attached to CNC machines and other areas where oil mist problems...

Environment, safety, & health; training program comes fully narrated.(2003 Product of the Year)
November 1, 2003... Electrical Safe Work Practices eLearning material is more cost-effective than seminar attendance and comes fully narrated and enhanced with interactive exercises, pop-up definitions, enlargeable graphics, word-search functionality, and...

Environment, safety, & health; pan deck allows rainwater to drain.(2003 Product of the Year)
November 1, 2003... Outdoor pan deck holds absorbents to capture hydrocarbons while allowing rainwater to drain through holes in the unit's base. Removable grates provide quick and easy access to and change out of saturated absorbents. Low-profile design is ideal...

Environment, safety, & health; helmet serves communication needs.(2003 Product of the Year)
November 1, 2003... ClearCommand helmet communication system is a state-of-the-art radio interface device that significantly improves the user's ability to receive and send messages, even in loud ambient-noise environments. The system consists of a helmet-mounted...

Electric motors, drives, & controls; gear motor operates with inverters.(2003 Product of the Year)
November 1, 2003... Inverter Gear Motor line is designed for use with adjustable speed controls. Motors are rated at 3/8 hp, 230 Vac, 60 Hz, 3-phase, and an operating range of 10-90 Hz with a broad range of ratios in right angle and parallel shaft configurations....

Electric motors, drives, & controls; motor face gets makeover.(2003 Product of the Year)(Brief Article)
November 1, 2003... Inverter Duty motors and brakemotors have been updated to include NEMA C-face mounting as a standard feature and upgraded to high-performance inverter/vectorduty washdown designs. Features include voltage-spike resistance, low inertia,...

Electric motors, drives, & controls; starter saves space.(2003 Product of the Year)
November 1, 2003... TeSys U-Line motor starter delivers power, protection, and control functionality in a modular device. Starter provides motor branch protection, manual disconnect, and remote switching of power circuit and overload protection. Starter can be...

Electric motors, drives, & controls; drive uses Ethernet.(2003 Product of the Year)
November 1, 2003... Altivar CL8839 58M adjustable speed drives have built-in Ethernet connectivity and extended communications capabilities. Drives comply with SEMI F47 voltage sag requirements and are available up to 500 hp. Standard features include circuit...

Electric motors, drives, & controls; starter reduces wiring time.(2003 Product of the Year)
November 1, 2003... ArmorStart distributed motor controller is an integrated combination starter for full-voltage and reversing applications. The modular plug-and-play design offers simplicity in wiring and installation. Quick disconnects for I/O, communications,...

Electric motors, drives, & controls; linear motor replaces ballscrews.(2003 Product of the Year)
November 1, 2003... HyCore linear motor combines features and performance of high-force brushless linear motors with the cost advantage of open-loop linear stepper motor technology. Using magnets only in the primary (forcer) reduces cost. Linear motor benefits...

Lighting: fixture installs easily.(2003 Product of the Year)
November 1, 2003... T-Bay T5 and T8 linear fluorescent high-bay fixtures feature hinged reflector and lamp assembly that swings down for easy ballast maintenance, hinged end plates that flip down to provide ample access to wiring chamber, mounting plates for...

Lighting: lamps last long.(2003 Product of the Year)
November 1, 2003... PL-H compact fluorescent lamp features high lumen output (up to 9000 lumens) and 20,000-hr rated life at 12 hr per start. Lamp system couples with 4-pin electrical connection and high-frequency electronic ballast. Lamp employs amalgam...

Lighting: tank light enables same-window viewing.(2003 Product of the Year)(Brief Article)
November 1, 2003... Phaeton series tank lights are light emitting diodes (LEDs) that require less than 1 A to operate, minimizing power consumption to 7 W. Tank light features ring design that allows for lighting and viewing through the same sight window, low...

Lighting: dimmable lamp saves energy.(2003 Product of the Year)(Brief Article)
November 1, 2003... MP 440W/BU/e-Lamp/PS 440-W pulse-start metal halide lamp with electronic ballast is dimmable to 35% of full power and provides 60% more lumens than standard lamp using same watts per luminaire. Tipless arc tube technology provides better color...

Lighting: fluorescent luminaire provides high output.(2003 Product of the Year)(Brief Article)
November 1, 2003... Lightwing T5 fluorescent high-bay luminaire provides HID light levels with fluorescent technology resulting in energy savings and low maintenance costs. Luminaire features instant on, multilevel switching for lighting control, dimming option...

Lighting: ballast prevents flicker.(2003 Product of the Year)(Brief Article)
November 1, 2003... Prismatron electronic ballasts for use with metal halide luminaires offer reduced energy consumption, color stability, silent operation, and flicker-free illumination. Ballasts can continually dim lamps rather than dim them in steps. If...

Fluid handling: mag pump can run dry.(2003 Product of the Year)
November 1, 2003... EZMAG is an ANSI metallic, magnetic drive pump. Chemical and abrasion-resistant silicon carbide bearings provide failsafe, dry run protection. Cartridge-mounted bearings result in fast and easy inspection and maintenance. The pump features a...

Fluid handling: dewatering bag is reusable.(2003 Product of the Year)
November 1, 2003... Ultra-Dewatering Bag can be used for large jobs and heavy sediment loads of silt or dirt and is reusable. A large opening allows easy access to, and removal of, trapped sediment. Galvanized steel locking rods are quickly and easily installed to...

Fluid handling: valve takes small samples.(2003 Product of the Year)
November 1, 2003... Quik Sampling Valve is designed for taking small, controlled, liquid samples. The valve meets ANSI Seat Leakage Class VI. It has a bubble-tight shutoff, soft seat, spring-to-close, fail-safe design; live-loaded packing for reliable, leak-free...

Fluid handling: wafer valve is compact.(2003 Product of the Year)
November 1, 2003... MK75 sliding gate wafer control valve is ultra-compact and lightweight. Advantages over globe valves include: short stroke, low force requirements, excellent turndown ratios, reduced cavitation damage to the valve and trim, and cost reduction....

Fluid handling: coupling transmits data.(2003 Product of the Year)
November 1, 2003... Smart Coupling Technology provides critical data used to achieve control of fluid connections. The device combines the power and control of RFID and wireless ID technologies with the reliability and ease-of-use of connection devices. The insert...

Fluid handling: pipe gasket covers all types.(2003 Product of the Year)
November 1, 2003... Style 800 universal pipe gaskets can effectively seal all piping types, is chemically inert, and works at up to 600 F and 3000 psi. In meeting these requirements, it achieves a T3 (gastight) seal over the widest installation window. This large...

Fluid handling: condensate pump is reliable.(2003 Product of the Year)
November 1, 2003... GP14 Powertrap is a technologically advanced system for pumping high-temperature condensate from vented receivers and sumps. The unit is designed for extended reliability with no cavitation or seal leakage. The non-electric design includes a...

Fluid handling: seals provide quick installation.(2003 Product of the Year)
November 1, 2003... Streamline S-Series mechanical pump seals use a single, fully featured seal gland to house sealing cassettes for either a single or dual configuration. The "cassette within a cartridge" design reduces the cost and workflow related to sealing...

Fluid handling: mag separator cleans paint lines.(2003 Product of the Year)
November 1, 2003... FerrX 5000 is a magnetic separation device that removes weld balls and other ferrous metal from phosphate cleaning tanks used in the painting process. The self-cleaning cycle automatically purges these particles into a waste stream. No...

Fluid handling: diaphragm pump driven by natural gas.(2003 Product of the Year)
November 1, 2003... G Series double diaphragm pumps are certified by CSA to meet oil and gas industry specifications. While fully groundable, it is the only pump designed to be safely driven by sweet and sour natural gas. Materials of construction include aluminum...

Fluid handling: screen changer moves easily.(2003 Product of the Year)
November 1, 2003... HSC manual, discontinuous screen changer has a lever system for easy slide operation. Hand movement of the slide-plate and filter is made effortless with a torque multiplier design. The unit operates leak-free through a pressure-activated seal....

Fluid handling: pump handles difficult fluids.(2003 Product of the Year)
November 1, 2003... PowerFlow pump handles adhesives, sealants, paints, food products, and chemical and industrial wastes. The pump offers low maintenance and long life due to hardened tool steel or hardened 17-4 PH stainless steel pumping elements. A single...

Compressed air: dryer uses existing energy source.(2003 Product of the Year)
November 1, 2003... CDA alternate cooling source dryers enables facilities that have an ammonia or glycol circuit with excess capacity to treat compressed air with no additional energy consumption. Benefits include: optimum utilization of cooling energy supply,...

Compressed air: vertical compressor has small footprint.(2003 Product of the Year)
November 1, 2003... Hydrovane vertical, direct-drive, rotary vane compressors have a close integration of drive and compressor elements engineered to create a high-efficiency, low-maintenance design, that sits on a footprint less than half the size of...

Compressed air: compressor package is oil-free.(2003 Product of the Year)
November 1, 2003... ZT37-50 VSD FF (IMD) Series variable-speed drive, oil-free compressor package is two-stage air cooled or water cooled. The integrated heat-of-compression dryer utilizes no purge air and relies on the heat generated by the compressor to...

Compressed air: dryer has 100% zero purge.(2003 Product of the Year)
November 1, 2003... PNEUDRI MAXIplus zero purge, vacuum, heat-regenerative dryer represents a cost effective, energy-efficient solution for providing high-quality, clean, dry compressed air. Zero purge means no compressed air is wasted during regeneration, so...

Compressed air: filter treats condensate.(2003 Product of the Year)
November 1, 2003... KCF Series condensate filtration system filters out oil, ambient particles, and hydrocarbons from compressed air condensate, making the condensate safe for disposal. The replaceable, single filter cartridge is contained in a plastic housing for...

Compressed air: sensor monitors air consumption.(2003 Product of the Year)
November 1, 2003... Metris continuously monitors compressed air systems to identify leakage areas and improve energy efficiency. The sensor can be mounted in a supply line to monitor one machine, or mounted in a plant zone to monitor several machines. The 4-digit...

Compressed air: nozzle is efficient and quiet.(2003 Product of the Year)
November 1, 2003... Super Air Nozzle provides a high-thrust, concentrated stream of high-velocity airflow. The sound level is extremely low at 74 dBA when supplied with 80-psig compressed air. It is ideal for reducing air consumption and noise levels. The nozzle...

Compressed air: dryer reduces energy costs.(2003 Product of the Year)
November 1, 2003... KNW Series heat-of-compression regenerative air dryers reduce energy cost by up to 97%, compared to other dryers. The zero purge, adsorption dryer is thermally regenerated with heat that is a byproduct of the compression process. Benefits...

Compressed air: portable compressors meet emission standards.(2003 Product of the Year)
November 1, 2003... Models XAS, XAMS, XAHS, XRHS, and XRVS Cd portable air compressors have effective working pressures from 102 to 365 psig, and free air delivery rates up to 1161 cfm. Each model is powered by a 6-cylinder diesel engine that is fully compliant...

Compressed air: dryer has adjustable dew point.(2003 Product of the Year)
November 1, 2003... Ecodry KMT multitronic, cold-regenerated, adsorption dryer combines proven elements of adsorption technology with state-of-the-art features. Dew points can be adjusted from -12 to -40 F. The 10-min cycle saves energy. A wet area collecting...

Electrical power: rotary disconnects operate without tools.(2003 Product of the Year)
November 1, 2003... Models 194RF, 194RS, and 194RC rotary disconnects meet NFPA 79 requirements, which require rotary disconnect switches to be operable without the use of accessory tools or devices, with interlocking provision to prevent disconnect closure while...