NewHVAC Service Coordinator / Dispatcher JobotHVAC Service Coordinator / DispatcherGreensboro, NC$52,000–$60,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role requires exceptional communication, organization, and problem-solving skills, and an ability to thrive in a fast-paced, high-pressure environment.
NewProject Manager (Mechanical/HVAC Projects) JobotProject Manager (Mechanical/HVAC Projects)Greensboro, NC$110,000–$140,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Estimate the resources and participants needed to achieve project goals, and determine and assess need for additional staff and/or consultants and make the appropriate recruitments if necessary during project cycle.
NewMechanical Engineer (HVAC/MEP) JobotMechanical Engineer (HVAC/MEP)Greensboro, NC$100,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Continually evaluate mechanical engineering practices and processes, identifying areas for improvement and implementing new strategies as required.
NewHVAC Sales Manager Go Green PlumbingHVAC Sales ManagerGreensboro, NCEvaluate competitors for offerings, analyze market share and trends, which is shared for leadership evaluation. • Mentor and develop Inside Sales representatives and Sales lead coordinators to appropriate sales metrics.
Residential HVAC Technician/Sales Representative Synerfac Technical StaffingResidential HVAC Technician/Sales RepresentativeApex, NC$30–$35 / hourThis role is a strong fit for someone who thrives in the field, takes pride in their technical work, and is comfortable having sales conversations with homeowners - identifying opportunities to offer solutions that genuinely add value. A residential HVAC company is seeking an experienced Selling Service Technician to join their team.
HVAC Installer One Hour Heating & Air Conditioning of Durham, NCHVAC InstallerDurham, NC$50,000–$100,000 / yearYep, there will be sweat, And dirt, And some hard work, Occasional Saturdayjobs, Fellow master builder artists to teach your skills. All inquiries about employment, benefits, scheduling, and compensation at this franchise should be made directly to the franchise location, and not to One Hour Heating and Air Conditioning Corporate.
HVAC Installer One Hour Heating & Air ConditioningHVAC InstallerDurham, North CarolinaA positive, get it done attitudeClean driving record - we checkClean criminal record - we checkHonestyAble to be part of a teamHumility and ability to learn quicklyReal skill with tools and sheet metal. I understand how important artistic master technicians are to making an organization flyWe don’t want to just get off the ground,We want to hit Mach 3.I know you can help us soar.
HVAC - Install Technician - Lead Blaze Heating Cooling Electrical Plumbing GeneratorsHVAC - Install Technician - LeadGreensboro, North CarolinaServe customers by analyzing work orders, following daily travel schedules, listening to customer concerns, performing designated work, and proactively solving problems. • For each installation job, request necessary parts & equipment needed in advance and verify truck is loaded properly with all materials needed to complete it.
Residential HVAC Installer Ted's HVAC, Plumbing, & ElectricalResidential HVAC InstallerHillsborough, NCFull timeThe ideal candidate will lead high quality residential HVAC installs with precision, communicate clearly with homeowners and teammates, and take pride in training the next generation while maintaining safety, code compliance, and a clean, organized work style. Perform start-up/commissioning: airflow verification, charge to spec (superheat/subcool), static pressure checks, and documentation.
Supermarket Rack Refrigeration Hvac Technician WalmartSupermarket Rack Refrigeration Hvac TechnicianBurlington, NCFull timeAs a Supermarket Rack Refrigeration HVAC Technician at our local retail store, your role will support and oversee repair within the Walmart facilities Refrigeration HVAC equipment team and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs. Maintain and repair Walmart facility's Refrigeration HVAC equipment and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs.
HVAC Technician II Daikin Applied Americas Inc.HVAC Technician IIGreensboro, NC$27.60–$43 / hourRepair and replacement of defective equipment, components, or wiring related to fan coils, water source heat pumps, applied air handling units, rooftop units, cooling towers, and condenser tubes. Your Responsibilities: Perform maintenance of commercial HVAC equipment including logging machines, cleaning coils, brushing tubes, replacing filters, replacing belts and proper lubrication.
HVAC Commercial Technician - Greensboro, NC Southern Air IncHVAC Commercial Technician - Greensboro, NCGreensboro, NCYou can expect: Work in indoor and outdoor conditions with varying temperatures and environments Frequent standing, climbing, bending, and lifting Ability to lift up to 50 pounds Occasional travel or extended time in a vehicle depending on jobsite needs Exposure to construction materials, equipment, and tools Reasonable accommodations may be made to enable individuals with disabilities to perform essential job functions. For over 80 years, Southern Air has delivered trusted service and high-quality mechanical solutions across Virginia, West Virginia, and North Carolina.
HVAC Technician EMCOR Facilities Services, Inc.HVAC TechnicianDurham, North CarolinaMaintains accurate and timely equipment operating logs, lubrication logs, HVACR equipment operation and maintenance manuals, inventory of filters and belts and spare parts, air pressure drop differential logs across air filters and coils, refrigerant logbooks, chemical water treatment logs and refrigerant inventory. Knows the whereabouts of all emergency equipment (i.e. fire extinguishers, eyewash and shower stations, first aid supplies, breathing apparatus, etc.) Safely uses hand tools, power tools and test instruments to maintain, troubleshoot and repair various types of equipment.
Experienced HVAC Technician Tech-On-DeckExperienced HVAC TechnicianDurham, NCIn this role, you will install, service, or repair heating and air conditioning systems in residences or commercial establishments. Test pipe or tubing joints or connections for leaks, using a pressure gauge or soap-and-water solution.
HVAC Technician - Commercial Service ConServ Building Services, LLCHVAC Technician - Commercial ServiceGreensboro, NC$28–$45 / hourWe began dispatching HVAC techs in the Tampa Bay, FL area and in just a short time, ConServ's reputation for customer service and technical expertise began to grow in GA, SC, NC, VA, TN, and AL. Our commitment to diversity and inclusion helps us attract and retain the best talent, enables employees to realize their full potential, and drives high performance through innovation and collaboration.
HVAC Technician II FUJIFILM Biotechnologies USA IncHVAC Technician IIResearch Triangle Park, NCRequired Skills and Certifications High School Diploma/GED 2-4 years of experience in HVAC maintenance and repairs Completion of an apprenticeship program or vocational training in HVAC Universal Refrigerant Recovery Certification (EPA 608 Certification) Preferred Skills and Certifications Associate degree in mechanical, electrical, applied engineering or another relevant field Prior experience with industrial HVAC systems Prior experience working in a GMP manufacturing environment Computerized Maintenance Management Systems (CMMS) or equivalent work order management experience Experience with troubleshooting and repairing refrigerant systems, and testing and certifying HEPA filters HVAC/Refrigeration Certification Working Conditions & Physical Requirements: Will work in environment which may necessitate respiratory protection. Situated at the cross-section of Morrisville and Research Triangle Park (RTP), North Carolina, our site is at the heart of a booming biotech hub surrounded by top universities, vibrant communities, and various outdoor opportunities.
Residential HVAC Installer Hunter Recruitment AdvisorsResidential HVAC InstallerHillsborough, NC$52,000–$72,800The ideal candidate will lead high quality residential HVAC installs with precision, communicate clearly with homeowners and teammates, and take pride in training the next generation while maintaining safety, code compliance, and a clean, organized work style. Perform start-up/commissioning: airflow verification, charge to spec (superheat/subcool), static pressure checks, and documentation.
HVAC Technician Tradesmen International, LLCHVAC TechnicianDurham, NC$28–$32 / hourp>Job Scope: • Installing various air quality systems • Diagnosing/repairing various air quality systems • Maintaining various air quality systems. If you are a HVAC Technician and want to work alongside other proven craftsmen who emphasize safety, productivity and superior craftsmanship, this is your chance to advance your career!
HVAC Technician QED NationalHVAC TechnicianDurham, NCIn this role, you will perform preventative, corrective, and predictive maintenance on complex HVAC systems, including chillers, AHUs, heat pumps, VAVs, DDC controls, and ventilation systems. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.
Commercial HVAC Service Technician Synerfac Technical StaffingCommercial HVAC Service TechnicianApex, NCBy applying for this job, you agree to receive calls, Al-generated calls, text messages, or emails from Synerfac Technical Staffing and our contracted partners. A mechanical contractor in Apex is looking for an HVAC Technician with extensive experience in commercial HVAC systems in commercial and industrial settings.
HVAC Lead Installer (Cary, NC) Sears, Roebuck and co.HVAC Lead Installer (Cary, NC)Cary, NCJOB SUMMARY: The HVAC Lead Installer is responsible for ensuring all installations of Heating and Cooling products (Heat Pumps, Heating Ventilation and Air Conditioning, Gas or Oil furnaces, and Boilers) are completed in a timely manner and abide to all company, city, state, and county code requirements while maintaining the highest level of customer service. REPORTS TO: Area Manager, HVAC1021358BRRegular, Full-time Road Warrior (75% or more) JOB DUTIES/RESPONSIBILITIES: Installs new Heating and Air Conditioning systems and related accessories according to company, safety, and manufacturer''s specifications.
HVAC Technician II FujifilmHVAC Technician IIResearch Triangle Park, NCSituated at the cross-section of Morrisville and Research Triangle Park (RTP), North Carolina, our site is at the heart of a booming biotech hub surrounded by top universities, vibrant communities, and various outdoor opportunities. All resumes submitted by search firms/employment agencies to any employee at FUJIFILM via-email, the internet or in any form and/or method will be deemed the sole property of FUJIFILM, unless such search firms/employment agencies were engaged by FUJIFILM for this requisition and a valid agreement with FUJIFILM is in place.
HVAC - Install Technician - Helper Blaze Heating Cooling Electrical Plumbing GeneratorsHVAC - Install Technician - HelperGreensboro, North CarolinaProvide support to HVAC technicians as needed during installations, repairs, and maintenance tasks. Blaze Heating, Cooling, Electrical, Plumbing Generators is looking to hire a HVAC Install Helper in the area.
Experienced Commercial HVAC Technician RPM HVAC Services LLC dba Donald Guy Heating & CoolingExperienced Commercial HVAC TechnicianGreensboro, NC$34–$46 / hourWe are seeking an experienced Commercial HVAC Technician who is conscientious, self-motivated, and ready to take ownership of high-quality maintenance and service in a stable environment with no after-hours or weekend calls. Perform preventative maintenance, troubleshooting, repairs, and servicing on commercial HVAC systems (rooftop units, VAV systems, and related equipment) across North Carolina.
NewHVAC Technician University of North Carolina at Chapel HillHVAC TechnicianChapel Hill, NC$57,095–$74,402 / yearSystems supported include direct expansion (DX) units, environmental chambers, walk-in coolers and freezers, air dryers, ice machines, packaged units, computer room air conditioning (CRAC) units, dehumidification systems, refrigerated scientific equipment, ultra-low and cryogenic equipment, small chillers, and hot water and steam boiler systems. Qualified applicants must apply and be selected from the candidate pool of this posting and meet the State policy following requirements: To be eligible for a Sign-on bonus, an individual must not have worked in a probationary, permanent, or time-limited appointment in the last 12 months as an employee in North Carolina state government, including but not limited to the judicial system, state executive branch agencies, and the university system in a position subject to the State Human Resources Act.
Commercial HVAC Technician RedblueCommercial HVAC TechnicianGreensboro, NCIf you're passionate about delivering top-notch service, have 5+ years of commercial HVAC experience, and are looking to join a company whereyou are truly valued, we'd love to hear from you. As a Commercial HVAC Technician at Redblue, you'll play a vital role in maintaining and servicing commercial HVAC units for our diverse clientele.
HVAC Technician EMCOR Group IncHVAC TechnicianDurham, NCMaintains accurate and timely equipment operating logs, lubrication logs, HVACR equipment operation and maintenance manuals, inventory of filters and belts and spare parts, air pressure drop differential logs across air filters and coils, refrigerant logbooks, chemical water treatment logs and refrigerant inventory. Knows the whereabouts of all emergency equipment (i.e. fire extinguishers, eyewash and shower stations, first aid supplies, breathing apparatus, etc.) Safely uses hand tools, power tools and test instruments to maintain, troubleshoot and repair various types of equipment.
Experienced Commercial HVAC Technician General AccountsExperienced Commercial HVAC TechnicianGreensboro, North CarolinaWe are seeking an experienced Commercial HVAC Technician who is conscientious, self-motivated, and ready to take ownership of high-quality maintenance and service in a stable environment with no after-hours or weekend calls. Perform preventative maintenance, troubleshooting, repairs, and servicing on commercial HVAC systems (rooftop units, VAV systems, and related equipment) across North Carolina.
Electrician - Commercial HVAC/R Systems BlueHat MechanicalElectrician - Commercial HVAC/R SystemsApex, NCFull timeYou'll be working on commercial and industrial equipment where electrical and mechanical systems intersect—motor controls, VFDs, control circuits, building automation systems, and HVAC equipment ranging from mini splits to large chillers and boilers. As an electrician joining our team, you'll enter at the appropriate level based on your experience and grow from there: Technician Level 1-2: Working under supervision, building HVAC/R knowledge alongside electrical skills.
(USA) Technician, Refrigeration/HVAC Walmart Inc(USA) Technician, Refrigeration/HVACAPEX, NC$23–$45 / hourAs a Supermarket Rack Refrigeration HVAC Technician at our local retail store, your role will support and oversee repair within the Walmart facilities Refrigeration HVAC equipment team and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs. Minimum Qualifications: Vocational or Technical Heating, Ventilation, Air Conditioning, and Refrigeration (HVAC/R) certification and 2 years experience in mechanical maintenance or construction-related field for commercial HVAC/R and building controls OR 4 years experience in mechanical maintenance or construction-related field for commercial HVAC/R and building controls or related field.
HVAC&R Technician, (O3) Merck & Co IncHVAC&R Technician, (O3)Durham, NC$77,700–$122,300 / yearExtensive knowledge of industrial HVAC and building automation systems Extensive knowledge of industrial refrigeration systems which includes DX systems, cascade refrigeration systems, and absorption systems Experience working in a regulated industry such as FDA Desiccant Dehumidification System Room pressure controls Industrial experience involving utility system generation, distribution and control and strong knowledge of steam, compressed air, refrigeration and water systems Knowledge of Siemens "APOGEE/Desigo" BAS is preferred. Required Skills: Calibration of Equipment, cGMP Regulations, Chilled Water Systems, Computerized Maintenance Management Systems (CMMS), Electrical Maintenance, Good Manufacturing Practices (GMP), HVAC Systems, Instrument Calibrations, Lockout Tagout, Refrigeration Engineering Preferred Skills: Current Employees apply HERE Current Contingent Workers apply HERE US and Puerto Rico Residents Only: Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities.
HVAC Service Technician III Daikin Applied Americas Inc.HVAC Service Technician IIIGreensboro, NC$31.60–$48.90 / hourYour Responsibilities: • Perform maintenance of commercial HVAC equipment including logging machines, cleaning coils, brushing tubes, replacing filters, replacing belts and proper lubrication • Repair and replacement of defective equipment, components, or wiring related to fan coils, chillers, water source heat pumps, applied air handling units, rooftop units, cooling towers, and condenser tubes • Maintain and inspect equipment to identify potential problems to prevent premature and unexpected breakdowns or callbacks • Analyze chiller trend data to ensure optimal performance • Perform warranty service application by inspecting and testing systems to verify functionality of HVAC equipment and components • Lead the rebuild and retrofit of commercial HVAC equipment. Your Qualifications: High School Diploma or GED Associates Degree or technical school HVAC certification (preferred) 5+ years of related experience with increasing responsibility or equivalent combination of education and experience Valid Driver's License and acceptable driving record Required license(s) and/or training card as required by local law district Rotational Emergency Call Support availability as required Previous experience in mentoring less experienced technicians EPA approved Universal Technician Certification (preferred) OSHA 10 certification (preferred) Current first aid / CPR card (preferred).
Commercial/Industrial HVAC Service Technician - Signing Bonus BlueHat MechanicalCommercial/Industrial HVAC Service Technician - Signing BonusApex, North CarolinaWe are looking for highly experienced team players that share our core values (Teamwork, Hustle, Professionalism, Curiosity, and Taking Ownership). BlueHat Mechanical is looking for Top Level Technicians with extensive experience in Commercial HVAC Service especially in commercial and industrial settings.
(USA) Senior Technician, Refrigeration/HVAC Walmart Inc(USA) Senior Technician, Refrigeration/HVACAPEX, NC$26–$51 / hourAs a Senior Supermarket Rack Refrigeration HVAC Technician at our local retail store, your role will support and oversee repair within the Walmart facilities Refrigeration HVAC equipment team and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs. Job Duties: Maintain and repair Walmart facility's Refrigeration HVAC equipment and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs.
NewHVAC Technician II Daikin Applied AmericasHVAC Technician IIGreensboro, North CarolinaRepair and replacement of defective equipment, components, or wiring related to fan coils, water source heat pumps, applied air handling units, rooftop units, cooling towers, and condenser tubes. Perform maintenance of commercial HVAC equipment including logging machines, cleaning coils, brushing tubes, replacing filters, replacing belts and proper lubrication.
HVAC Service Technician Synerfac Technical StaffingHVAC Service TechnicianCary, NCHVAC Service Technician will perform repair and installation services on commercial HVAC equipment. Responsibilities include: - Install HVAC systems and components based on blueprints, specifications, and wiring diagrams .
Apartment HVAC Maintenance Technician InterSolutionsApartment HVAC Maintenance TechnicianGreensboro, NC$25–$30 / hourPrimary Responsibilities Include: Accurately complete service tickets and log all assigned work orders in a timely manner. The apartment maintenance team is responsible for completing service requests under the direction of the maintenance supervisor or property manager.
HVAC Service Technician Comfort Systems USA MidAtlanticHVAC Service TechnicianDurham, North CarolinaWe are seeking a talented and experienced HVAC professional to join our growing and dynamic team! Are you a skilled HVAC Service Technician looking to take your career to new heights?
NewHVAC Service Technician Lane Valente IndustriesHVAC Service TechnicianGreensboro, NCFull timeLane Valente Industries offers a broad range of solutions that help multi-site organizations reduce costs through energy reduction, facility maintenance and value engineering. • Prepares for on-site installation and repairs by examining building layout, anticipating difficulties, gathering materials and coordinating on-site work, as necessary.
HVAC Service Technician Comfort Systems USA (MidAtlantic) LLCHVAC Service TechnicianDurham, NCYour Role as an HVAC Service Technician: Diagnose and repair Commerical HVAC systems with precision and efficiency. What You Bring to the Table: Proven experience as an HVAC Service Technician with a strong track record.
HVAC Apprentice Hunter Recruitment AdvisorsHVAC ApprenticeRoxboro, North CarolinaNo prior experience or licensure is necessary—what matters most is a positive attitude, strong customer service skills, and the drive to grow your career in the HVAC industry. We’re a locally owned and rapidly growing company built on the values of curiosity, humility, professionalism, wholehearted commitment, and a champion’s mindset.
Mobile HVAC / Maintenance Technician Jones Lang LaSalle IncMobile HVAC / Maintenance TechnicianGreensboro, NCKey Responsibilities: Primary Service Delivery: Perform preventive maintenance and emergency repair services on commercial HVAC systems, including packaged units, air handlers, chillers, boilers, and associated equipment. Job Summary: The Mobile HVAC Service Technician performs comprehensive preventive maintenance, troubleshooting, and repair services across multiple commercial properties within an assigned territory.
HVAC Service Technician One Hour Heating & Air Conditioning of Durham, NCHVAC Service TechnicianDurham, NCAll inquiries about employment, benefits, scheduling, and compensation at this franchise should be made directly to the franchise location, and not to One Hour Heating and Air Conditioning Corporate. Successful employees make for a successful company, and I want each and every employee in our company to love their career, to be happy, and to be paid well for their work.
HVAC Service Technician Lennox International IncHVAC Service TechnicianCary, NC$38,000–$77,000 / yearHigh School diploma or GED equivalent 2 to 6 years hands on Commercial HVAC Experience EPA Certification- Type I & Type II or Universal Valid Driver's License and acceptable driving record Technical aptitude to perform maintenance, service, and troubleshoot equipment. Lennox National Account Services (NAS), wholly owned by Lennox International, a 120+ year old company and a world leader in the Heating, Ventilation and Air Conditioning (HVAC) industry.
HVAC Service Technician - 1401 Boddie-Noell EnterprisesHVAC Service Technician - 1401Eden, North CarolinaRepairs include but are not limited to restaurant and commercial cooking equipment, ice/beverage equipment, refrigeration equipment, building control systems, exhaust and fresh air systems, drive-thru audio systems, HVAC systems, minor electrical systems and circuits, minor plumbing systems including hot water heaters, and minor building repairs. NOW HIRING - Facilities Management Service Technicians - Our Facilities Management Service Technician plays an important role at Boddie-Noell facilities including our Hardee's restaurants.
HVAC Mechanic Duke UniversityHVAC MechanicDurham, NC$19.83–$32.88 / hourDuke University considers factors such as (but not limited to) scope and responsibilities of the position; candidates work experience, education/training, and key skills; internal peer equity; as well as market and organizational considerations when extending an offer. Experience - Work requires 2 years' experience in charging small refrigeration appliances, changing compressors, belts and valves, and adjusting and calibrating temperature and humidity controls.
Residential HVAC Service Technician Ted's HVAC, Plumbing, & ElectricalResidential HVAC Service TechnicianHillsborough, North CarolinaThe right candidate brings strong technical ability paired with clear communication, professionalism, and a genuine desire to build trust with customers in their homes. Our team is dedicated to delivering exceptional service to our customers while creating a supportive, respectful environment where employees can grow, feel valued, and thrive.
HVAC Mechanic University of North Carolina at Chapel HillHVAC MechanicChapel Hill, NC$47,263–$63,438 / yearSystems supported include heat pumps, furnaces, split/package ac units, mini-splits, VRF systems, ice machines, air compressors, air dryers, FCU, VAV systems with reheat, boilers, dehumidification systems, direct digital controls, Pneumatic controls, 24-volt controls, air handling units, Dedicated Outdoor Air Systems, hydronic pumps, exhaust fans, and single and three phase motors. Qualified applicants must apply and be selected from the candidate pool of this posting and meet the State policy following requirements: To be eligible for a Sign-on bonus, an individual must not have worked in a probationary, permanent, or time-limited appointment in the last 12 months as an employee in North Carolina state government, including but not limited to the judicial system, state executive branch agencies, and the university system in a position subject to the State Human Resources Act.
HVAC Service Technician* McKenney's IncHVAC Service Technician*Greensboro, NCSelf-performance of all trades, in-house shops and over seven decades of experience have made us the top choice in mechanical contractors, providing highly efficient mechanical systems and a full range of services that meet your unique needs. Performance of the required duties will require physical ability to climb permanent and temporary stairs, passenger use of construction personnel hoists, ability to climb ladders and scaffolds and to negotiate work areas under construction.
HVAC Service Technician Hoffman Mechanical Solutions IncHVAC Service TechnicianGreensboro, NCPosition Purpose: The primary purpose of this HVAC Service Technician is to provide preventative maintenance, start-up, warranty, and repair services on light commercial and industrial air conditioning equipment. Frequent exposure to wet and/or humid conditions, elevated and/or precarious work places, fumes or airborne particles, outside weather conditions, risk of electrical shock and vibration.