The Gas Safety (Installation & Use) Regulations Quiz

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| Attempts: 606 | Questions: 13 | Updated: Mar 21, 2025
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1. The GSIUR came into force on the 31st of October ...[year]

Explanation

"Made                             3rd October 1998 Laid before Parliament    9th October 1998 Coming into force          31st October 1998"


Introduction --- GS(I&U)R 1998.
See this regulation at legislation.gov.uk
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About This Quiz
The Gas Safety (Installation & Use) Regulations Quiz - Quiz

The Gas Safety (Installation & Use) Regulations (GSIUR) = the law for UK gas installers. The legal style of the GSIUR can sometimes make them difficult to understand and remember. Here's a quiz that might help. A bit.

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2. The GSIUR came into force on the 31st of [...] 1998

Explanation

"Made                             3rd October 1998 Laid before Parliament    9th October 1998 Coming into force          31st October 1998"


Introduction --- GS(I&U)R 1998.
See this regulation at legislation.gov.uk
Submit

3. The GSIUR came into force on the [...] of October 1998.

Explanation

"Made                             3rd October 1998 Laid before Parliament    9th October 1998 Coming into force          31st October 1998"


Introduction --- GS(I&U)R 1998.
Click here to see this part of GSIUR at legislation.gov.uk
Submit

4. Can "gas" sometimes mean liquids?

Explanation

   "The substances within the definition are covered irrespective of physical form, eg both liquid and gaseous phases are included (but see paragraph 8 below)."   
   "8 Although the definition of gas includes certain liquefied gases, most situations where LPG is likely to be used in liquid form, eg for automotive use or for grain drying, are not covered by these Regulations – see regulation 2(4)–(6)."   
p14, paragraphs 6 & 8 --- L56 Safety in the installation and use of gas systems and appliances - GS(I&U)R Approved Code of Practice and guidance, (3rd edition, 2011)http://www.hse.gov.uk/pubns/priced/l56.pdf
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5. "gas" does not include [...] gas, when used in non-domestic premises.

Explanation

 "In these Regulations, unless the context otherwise requires -      "gas" means any substance which is or (if it were in a gaseous state) would be gas within the meaning of the Gas Act      1986 (c.44.) except that it does not include gas consisting wholly or mainly of hygdrogen when used in non-domestic premises."  
Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
 "In this Part, unless the context otherwise requires -             "gas" means -          a)   any substance in a gaseous state which consists wholly or mainly of-                         i)   methane, ethane, propane, butane, hydrogen or carbon monoxide;                        ii)   a mixture of two or more of those gases; or                        iii)   a combustible mixture of one or more of those gases and air; and          b)   any other substance in a gaseous state which is gaseous at a temperature of 15°C and a pressure of 1013·25                   millibars and is specified in an order made by the Secretary of State;" 

Part (1) of Regulation 48: Interpretation of Part I and savings. --- The Gas Act 1986.Click here to see this regulation at legislation.gov.uk
   "However, any gas consisting wholly or mainly of hydrogen when used in non-domestic premises, eg a laboratory in the industrial or education sector, is excluded, as is any gas wholly comprised of a substance not listed in (a) above, such as acetylene, oxygen or nitrogen." 
p14, paragraph 6 --- L56 GSIUR ACOP - Safety in the installation and use of gas systems and applianceshttp://www.hse.gov.uk/pubns/priced/l56.pdf
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6. "flue" means a passage for conveying the POC from a gas appliance to the external air and includes any part of the passage in a gas appliance [...] which serves the purpose of a flue.

Explanation

"In these Regulations, unless the context otherwise requires-      "flue" means a passage for conveying the products of combustion from a gas appliance to the external air and includes any part of the passage in a gas appliance duct which serves the purpose of a flue;" 

Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
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7. Can "gas" refer to H gas?

Explanation

 "In these Regulations, unless the context otherwise requires -      "gas" means any substance which is or (if it were in a gaseous state) would be gas within the meaning of the Gas Act      1986 (c.44.) except that it does not include gas consisting wholly or mainly of hygdrogen when used in non-domestic premises."  
Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
 "In this Part, unless the context otherwise requires -             "gas" means -          a)   any substance in a gaseous state which consists wholly or mainly of-                         i)   methane, ethane, propane, butane, hydrogen or carbon monoxide;                        ii)   a mixture of two or more of those gases; or                        iii)   a combustible mixture of one or more of those gases and air; and          b)   any other substance in a gaseous state which is gaseous at a temperature of 15°C and a pressure of 1013·25                   millibars and is specified in an order made by the Secretary of State;" 

Part (1) of Regulation 48: Interpretation of Part I and savings. --- The Gas Act 1986.Click here to see this regulation at legislation.gov.uk
   "However, any gas consisting wholly or mainly of hydrogen when used in non-domestic premises, eg a laboratory in the industrial or education sector, is excluded, as is any gas wholly comprised of a substance not listed in (a) above, such as acetylene, oxygen or nitrogen." 
p14, paragraph 6 --- L56 GSIUR ACOP - Safety in the installation and use of gas systems and applianceshttp://www.hse.gov.uk/pubns/priced/l56.pdf
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8. "appropriate fitting" means a fitting which is:
                                                                                1) [...]
                                                                                2) secure from unauthorized tampering (as far as is reasonably practicable)

Explanation

"In these Regulations, unless the context otherwise requires-      "appropriate fitting” means a fitting which-          (a) has been designed for the purpose of effecting a gas tight seal in a pipe or other gasway;           (b) achieves that purpose when fitted; and          (c) is secure, so far as is reasonably practicable, against unauthorised opening or removal;" 

Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
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9. "appropriate fitting" means a fitting which: 1) has been designed to be gas-tight 2) is [...]

Explanation

"In these Regulations, unless the context otherwise requires-      "appropriate fitting” means a fitting which-          (a) has been designed for the purpose of effecting a gas tight seal in a pipe or other gasway;           (b) achieves that purpose when fitted; and          (c) is secure, so far as is reasonably practicable, against unauthorised opening or removal;" 

Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
Submit

10. "[...] fitting" means a fitting which: 1) has been designed to be gas-tight 2) is secure from tampering (as far as is reasonably practicable)

Explanation

"In these Regulations, unless the context otherwise requires-      "appropriate fitting” means a fitting which-          (a) has been designed for the purpose of effecting a gas tight seal in a pipe or other gasway;           (b) achieves that purpose when fitted; and          (c) is secure, so far as is reasonably practicable, against unauthorised opening or removal;" 

Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
Submit

11. "emergency control" means a valve for shutting off the supply of gas in an emergency, being a valve intended for use by the [...]

Explanation

"In these Regulations, unless the context otherwise requires-      "emergency control" means a valve for shutting off the supply of gas in an emergency, being a valve intended for use by a consumer of gas;"  

Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
Submit

12. "gas" does not include H gas, when used in [...]-[...] [...]

Explanation

 "In these Regulations, unless the context otherwise requires -      "gas" means any substance which is or (if it were in a gaseous state) would be gas within the meaning of the Gas Act      1986 (c.44.) except that it does not include gas consisting wholly or mainly of hygdrogen when used in non-domestic premises."  
Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
 "In this Part, unless the context otherwise requires -             "gas" means -          a)   any substance in a gaseous state which consists wholly or mainly of-                         i)   methane, ethane, propane, butane, hydrogen or carbon monoxide;                        ii)   a mixture of two or more of those gases; or                        iii)   a combustible mixture of one or more of those gases and air; and          b)   any other substance in a gaseous state which is gaseous at a temperature of 15°C and a pressure of 1013·25                   millibars and is specified in an order made by the Secretary of State;" 

Part (1) of Regulation 48: Interpretation of Part I and savings. --- The Gas Act 1986.Click here to see this regulation at legislation.gov.uk
   "However, any gas consisting wholly or mainly of hydrogen when used in non-domestic premises, eg a laboratory in the industrial or education sector, is excluded, as is any gas wholly comprised of a substance not listed in (a) above, such as acetylene, oxygen or nitrogen." 
p14, paragraph 6 --- L56 GSIUR ACOP - Safety in the installation and use of gas systems and applianceshttp://www.hse.gov.uk/pubns/priced/l56.pdf
Submit

13. "flue" means a passage for ...[purpose] and includes any part of the passage in a gas appliance duct which serves the purpose of a flue.

Explanation

"In these Regulations, unless the context otherwise requires-      "flue" means a passage for conveying the products of combustion from a gas appliance to the external air and includes any part of the passage in a gas appliance duct which serves the purpose of a flue;" 

Paragraph (1) of Regulation 2: General interpretation and application -- PART A: GENERAL --- GS(I&U)R 1998.Click here to see this regulation at legislation.gov.uk
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The GSIUR came into force on the 31st of October ...[year]
The GSIUR came into force on the 31st of [...] 1998
The GSIUR came into force on the [...] of October 1998.
Can "gas" sometimes mean liquids?
"gas" does not include [...] gas, when used in non-domestic...
"flue" means a passage for conveying the POC from a gas...
Can "gas" refer to H gas?
"appropriate fitting" means a fitting which is:...
"appropriate fitting" means a fitting which: 1) has been...
"[...] fitting" means a fitting which: 1) has been designed...
"emergency control" means a valve for shutting off the...
"gas" does not include H gas, when used in [...]-[...] [...]
"flue" means a passage for ...[purpose] and includes any...
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