Electrical Hazards

There are many different types of electrical equipment found at ISIS.

Electrical Equipment Hazards

Electrical equipment and systems are wide ranging and pervasive throughout the ISIS facility; from mobile phones to high voltage power supplies. The hazards associated with the use of electrical equipment include, electric burns, electrocution, fire and arcing. On average there are over 11,000 electrical incidents harming individuals throughout the UK every year. To reduce the risk of harm for operators of electrical equipment at ISIS the following general rules must be followed.

Do not operate the following equipment without notifying ISIS via the User Equipment section of the Experimental Risk Assessment and following the User Provided Electrical Equipment Guidelines.

•         Electrical Equipment requiring a PAT test.

•         Non-CE marked Electrical Equipment.

•         High Voltage Equipment (Voltages >600Vac, >900Vdc).

•         RF Equipment.

•         Equipment or systems that include personnel safety interlocks.

Do not misuse electrical equipment, electrical systems and parts thereof.

Do not operate electrical equipment, electrical systems and parts thereof in an environment which increases a risk of harm.

Do not attempt to make any repair to electrical equipment, electrical systems and parts thereof.

Do not interfere with or remove enclosures or covers on electrical equipment, electrical systems and parts thereof.

Do not supply electricity to equipment by series-linking multiple extension leads together.

Do not operate or interfere with any parts associated with the distribution of the mains supply (electrical switchgear, switchboards or distribution boards)

Do not misuse or interfere with interlock systems.

Observe and comply with all signs and barriers.

Where possible use an RCD protected electrical supply or extension lead. RCD protected supplies can be identified by test and reset buttons. RCD protected extension leads are readily available from the Electrical & Electronic User Support Group. Always test the RCD prior to use and report test failures to your local contact.

Whilst working at ISIS report any concerns related to the condition or operation of electrical equipment to your local contact.

In the event of an emergency follow the emergency advice summary here.

User Provided Electrical Equipment Guidelines

Users bringing the following equipment for use at ISIS must indicate this on the User Equipment section of the Experimental Risk Assessment (ERA) and follow the guidelines given below.

•         Electrical Equipment requiring a PAT test.

•         Non-CE marked Electrical Equipment.

•         High Voltage Equipment (Voltages >600Vac, >900Vdc).

•         RF Equipment.

•         Equipment or systems that include personal safety interlocks.

Do not operate electrical equipment without an in date PAT sticker. ISIS can provide a PAT testing service if you are unable to test your equipment at your institute. If you require PAT testing please indicate this on your ERA and contact the Electrical & Electronic User Support Group on your arrival. Mobile devices chargers and battery powered devices are exempt but must be in good physical condition and working order.

Non-CE marked electrical equipment must undergo a thorough electrical inspection and test performed by the Electrical & Electronic User Support Group prior to equipment use. If you plan to use non-CE marked equipment please indicate this on your ERA and contact the Electrical & Electronic User Support Group at least 48 hours before the start of your experiment to allow enough time for the electrical inspection and test to be completed.

The operation of electrical equipment that has failed a PAT test or an electrical inspection and test is prohibited at ISIS.

High voltage equipment that can source more than 5mA will require a risk assessment and method statement prior to its operation at ISIS. Personnel safety interlocks maybe required to reduce risk. Please contact Matt North at least two weeks in advance of your experiment to discuss the use of this equipment.

RF equipment will require a risk assessment and method statement prior to its operation at ISIS. Personnel safety interlocks may be required to reduce risk. Please contact Matt North at least two weeks in advance of your experiment to discuss the use of this equipment.

Electrical equipment or systems that include personnel safety interlocks will require a functional test of the interlock system prior to its operation. Please provide this equipment at least 48 hours before the start of your experiment to allow enough time for the functional tests to be completed.

Failure to adhere to these notices may result in the operation of your equipment being prohibited.

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