Completing a PAT Test in Chelmsford PAT Tests all around Essex Commercial and Industrial PAT Tests

PAT Testing Chelmsford and Essex


We aim to provide all of our clients with an economical, environmentally friendly solution to all of their needs, with as little down time and interruption to their business as is possible.

From large office blocks to small independent retailers to commercial property owners we carry out PAT Testing in Chelmsford Essex for a wide range of clients.

Delta T Electrical are your local Electrical Contractor for all of your PAT Testing in Chelmsford Essex.


Guide for PAT Testing in Chelmsford Essex


Frequency of PAT Testing

The Health & Safety Executive offers no absolute rules on the frequency of the testing and inspection of portable appliances. The Memorandum of Guidance on the Electricity at Work Regulations suggests that 'regular inspection of equipment is an essential part of any preventative maintenance program', but no attempt is made to specify the intervals of time implied by the word 'regular'. The reason for this omission is obvious; different situations require different measures in order to meet the requirement so that the danger is prevented. The factors which affect the frequency of testing must be assessed by the duty holder who thereby makes his or her judgement.

In arriving at a judgement as to the frequency of PAT testing, a duty holder is likely to assess the following factors:-

1. The environment - equipment installed in a benign environment will suffer less damage than equipment in an arduous environment

2. The equipment construction - the safety of a Class 1 appliance is dependant upon a connection with earth of the electrical installation. If the flexible cable is damaged the connection with earth can be lost. Safety of Class 2 equipment is not dependent upon the fixed electrical installation.

3. The equipment type - appliances which are hand held are more likely to be damaged than fixed appliances. If they are Class 1 the risk of danger is increased, as the safety is dependant upon the continuity of the protective conductor from the plug to the appliance.


IET Code of Practice Guidance


Portable Appliance

An appliance of less than 18kg in mass that is intended to be moved whilst in operation or an appliance which can easily be moved from one place to another, e.g. vacuum cleaner, toaster, food mixer, etc.

Movable Equipment (transportable)

This equipment is either:
18 kg or less in mass and not fixed, e.g. electric fire.

Equipment with wheels, castors or other means to facilitate movement by the operator as required to perform its intended use, e.g. air conditioning unit


Hand Held equipment or appliances


This is portable equipment intended to be held in the hand during normal use, e.g. hair dryer


Stationary equipment or appliances


This equipment has a mass exceeding 18kg and is not provided with a carrying handle, e.g. refrigerator


Fixed equipment/appliances


This equipment or an appliance which is fastened to a support or otherwise secured in a specific location, e.g. bathroom heater


Appliances/equipment for building in


This equipment id intended to be installed in a prepared recess such as a cupboard or similar. In general, equipment for building in does not have exposure on all sides because one or more of the sides, additional protection against electrical shock is provided by the surroundings, e.g. built in electric cooker


Information technology equipment


Information technology equipment includes electrical business equipment such as computers and mains powered telecommunications equipment, and other equipment for general business use, such as mail processing machines, VDU's photo-copiers


Visual Inspection


Formal visual inspections should only be carried out by persons competent to do so. The results of the inspection must be documented.
The following must be considered when carrying out the inspection


Suitability of the equipment / environment


The equipment should be assessed for its suitability for the environment or the nature of the work being undertaken. When the work environment is harsh or hazardous particular care needs to be taken when selecting the equipment and assessing the frequency of inspection and testing.


Good Housekeeping


A check should be made to ensure the equipment is installed and is being operated in accordance with the manufacturer’s instructions. Notwithstanding the manufacturer’s instructions, the following are examples of items which should be checked:-


(a) Means of disconnection/isolation readily accessible
(b) Cables located so as to avoid damage
(c) Adequate equipment ventilation
(d) Indiscriminate use of multi-way adaptors and trailing sockets is avoided
(e) Equipment positioned to avoid strain on cord
(f) Equipment is being operated with the covers in place and any access doors are closed
(g) No unprotected cables run under carpets
(h) Equipment should be positioned to avoid spillages from surrounding area


Disconnection of Equipment


The means of isolation from the electricity supply must be readily accessible to the user, i.e. in normal circumstances it must be possible to reach the plug and socket without too much difficulty.


Condition of the equipment


Prior to the commencement of the users should be asked if they are aware of any faults and if the equipment works correctly. The following items need to be inspected:

(a) The flexible cable
(b) The socket outlet, if known
(c) The appliance
(d) The plug head


Some of the following checks may not be possible for equipment fitted with a non-rewirable plug:

(i) Check detachable power cords to Class 1 equipment incorporates a CPC
(ii) Identify signs of overheating
(iii) Internal inspection; cord security, polarity, connections
(iv) If non-rewirable plug; cord security, burning odours
(v) Correct size fuse fitted, BS marked, ASTA marked
(vi) Security of plug cover
(vii) Check the flexible cable connections and anchorage at the equipment, if practical

Make us your first point of call for all of your PAT Testing in Chelmsford Essex.

You can rest assured that every electrician we send to carry out the works will be City & Guilds electrically qualified and be fully competent to issue the appropriate certificate for all of the PAT testing carried out on your premises.

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CALL THE TELEPHONE NUMBER 0800 5877665